4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 * This code was audited for completeness against the documented features
26 * of Comctl32.dll version 6.0 on Oct. 8, 2004, by Dimitrie O. Paun.
28 * Unless otherwise noted, we believe this code to be complete, as per
29 * the specification mentioned above.
30 * If you discover missing features, or bugs, please note them below.
33 * - EDITBALLOONTIP structure
34 * - EM_GETCUEBANNER/Edit_GetCueBannerText
35 * - EM_HIDEBALLOONTIP/Edit_HideBalloonTip
36 * - EM_SETCUEBANNER/Edit_SetCueBannerText
37 * - EM_SHOWBALLOONTIP/Edit_ShowBalloonTip
38 * - EM_GETIMESTATUS, EM_SETIMESTATUS
57 #include "wine/winbase16.h"
58 #include "wine/winuser16.h"
59 #include "wine/unicode.h"
61 #include "user_private.h"
62 #include "wine/debug.h"
64 WINE_DEFAULT_DEBUG_CHANNEL(edit
);
65 WINE_DECLARE_DEBUG_CHANNEL(combo
);
66 WINE_DECLARE_DEBUG_CHANNEL(relay
);
68 #define BUFLIMIT_INITIAL 30000 /* initial buffer size */
69 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
70 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
71 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
74 * extra flags for EDITSTATE.flags field
76 #define EF_MODIFIED 0x0001 /* text has been modified */
77 #define EF_FOCUSED 0x0002 /* we have input focus */
78 #define EF_UPDATE 0x0004 /* notify parent of changed state */
79 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
80 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
81 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
82 wrapped line, instead of in front of the next character */
83 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
84 #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of
85 the text buffer if this is clear. */
88 END_0
= 0, /* line ends with terminating '\0' character */
89 END_WRAP
, /* line is wrapped */
90 END_HARD
, /* line ends with a hard return '\r\n' */
91 END_SOFT
, /* line ends with a soft return '\r\r\n' */
92 END_RICH
/* line ends with a single '\n' */
95 typedef struct tagLINEDEF
{
96 INT length
; /* bruto length of a line in bytes */
97 INT net_length
; /* netto length of a line in visible characters */
99 INT width
; /* width of the line in pixels */
100 INT index
; /* line index into the buffer */
101 struct tagLINEDEF
*next
;
106 BOOL is_unicode
; /* how the control was created */
107 LPWSTR text
; /* the actual contents of the control */
108 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
109 UINT buffer_size
; /* the size of the buffer in characters */
110 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
111 HFONT font
; /* NULL means standard system font */
112 INT x_offset
; /* scroll offset for multi lines this is in pixels
113 for single lines it's in characters */
114 INT line_height
; /* height of a screen line in pixels */
115 INT char_width
; /* average character width in pixels */
116 DWORD style
; /* sane version of wnd->dwStyle */
117 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
118 INT undo_insert_count
; /* number of characters inserted in sequence */
119 UINT undo_position
; /* character index of the insertion and deletion */
120 LPWSTR undo_text
; /* deleted text */
121 UINT undo_buffer_size
; /* size of the deleted text buffer */
122 INT selection_start
; /* == selection_end if no selection */
123 INT selection_end
; /* == current caret position */
124 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
125 INT left_margin
; /* in pixels */
126 INT right_margin
; /* in pixels */
128 INT text_width
; /* width of the widest line in pixels for multi line controls
129 and just line width for single line controls */
130 INT region_posx
; /* Position of cursor relative to region: */
131 INT region_posy
; /* -1: to left, 0: within, 1: to right */
132 EDITWORDBREAKPROC16 word_break_proc16
;
133 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
134 INT line_count
; /* number of lines */
135 INT y_offset
; /* scroll offset in number of lines */
136 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
137 BOOL bEnableState
; /* flag keeping the enable state */
138 HWND hwndSelf
; /* the our window handle */
139 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
140 Even if parent will change, EN_* messages
141 should be sent to the first parent. */
142 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
144 * only for multi line controls
146 INT lock_count
; /* amount of re-entries in the EditWndProc */
149 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
150 HLOCAL hloc32W
; /* our unicode local memory block */
151 HLOCAL16 hloc16
; /* alias for 16-bit control receiving EM_GETHANDLE16
153 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
158 UINT composition_len
; /* length of composition, 0 == no composition */
159 int composition_start
; /* the character position for the composition */
163 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
164 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
166 /* used for disabled or read-only edit control */
167 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
169 { /* Notify parent which has created this edit control */ \
170 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
171 SendMessageW(es->hwndParent, WM_COMMAND, \
172 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
173 (LPARAM)(es->hwndSelf)); \
176 /*********************************************************************
183 * These functions have trivial implementations
184 * We still like to call them internally
185 * "static inline" makes them more like macro's
187 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
);
188 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
);
189 static inline void EDIT_WM_Clear(EDITSTATE
*es
);
190 static inline void EDIT_WM_Cut(EDITSTATE
*es
);
193 * Helper functions only valid for one type of control
195 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT iStart
, INT iEnd
, INT delta
, HRGN hrgn
);
196 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
);
197 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
);
198 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
);
199 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
);
200 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
);
201 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
);
203 * Helper functions valid for both single line _and_ multi line controls
205 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
);
206 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
);
207 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
);
208 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
);
209 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
);
210 static void EDIT_LockBuffer(EDITSTATE
*es
);
211 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
);
212 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
);
213 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
);
214 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
);
215 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
);
216 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
);
217 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
);
218 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
);
219 static void EDIT_PaintLine(EDITSTATE
*es
, HDC hdc
, INT line
, BOOL rev
);
220 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC hdc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
);
221 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
, BOOL after_wrap
);
222 static void EDIT_AdjustFormatRect(EDITSTATE
*es
);
223 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*lprc
);
224 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
);
225 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
);
226 static INT CALLBACK
EDIT_WordBreakProc(LPWSTR s
, INT index
, INT count
, INT action
);
228 * EM_XXX message handlers
230 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
);
231 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
);
232 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
);
233 static HLOCAL16
EDIT_EM_GetHandle16(EDITSTATE
*es
);
234 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
);
235 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
);
236 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
);
237 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
);
238 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
);
239 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
);
240 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
);
241 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
);
242 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
);
243 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
);
244 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
);
245 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
);
246 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
);
247 static void EDIT_EM_SetHandle16(EDITSTATE
*es
, HLOCAL16 hloc
);
248 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
);
249 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
, WORD left
, WORD right
, BOOL repaint
);
250 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
);
251 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
);
252 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
);
253 static BOOL
EDIT_EM_SetTabStops16(EDITSTATE
*es
, INT count
, const INT16
*tabs
);
254 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
);
255 static void EDIT_EM_SetWordBreakProc16(EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
);
256 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
);
258 * WM_XXX message handlers
260 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
);
261 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND conrtol
);
262 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
);
263 static void EDIT_WM_Copy(EDITSTATE
*es
);
264 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
);
265 static LRESULT
EDIT_WM_Destroy(EDITSTATE
*es
);
266 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
);
267 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
);
268 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
);
269 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
);
270 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
);
271 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
272 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
);
273 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
);
274 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
);
275 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
);
276 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
);
277 static void EDIT_WM_Paste(EDITSTATE
*es
);
278 static void EDIT_WM_SetFocus(EDITSTATE
*es
);
279 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
);
280 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
);
281 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
);
282 static LRESULT
EDIT_WM_StyleChanged(EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
);
283 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
);
284 static void EDIT_WM_Timer(EDITSTATE
*es
);
285 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
);
286 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
);
287 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
);
288 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
);
290 LRESULT WINAPI
EditWndProcA(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
291 LRESULT WINAPI
EditWndProcW(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
293 /*********************************************************************
294 * edit class descriptor
296 static const WCHAR editW
[] = {'E','d','i','t',0};
297 const struct builtin_class_descr EDIT_builtin_class
=
300 CS_DBLCLKS
| CS_PARENTDC
, /* style */
301 EditWndProcA
, /* procA */
302 EditWndProcW
, /* procW */
303 sizeof(EDITSTATE
*), /* extra */
304 IDC_IBEAM
, /* cursor */
309 /*********************************************************************
314 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
)
316 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
320 /*********************************************************************
325 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
327 es
->undo_insert_count
= 0;
328 *es
->undo_text
= '\0';
332 /*********************************************************************
337 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
339 static const WCHAR empty_stringW
[] = {0};
341 /* Protect read-only edit control from modification */
342 if(es
->style
& ES_READONLY
)
345 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
349 /*********************************************************************
354 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
361 /**********************************************************************
364 * Returns the window version in case Wine emulates a later version
365 * of windows than the application expects.
367 * In a number of cases when windows runs an application that was
368 * designed for an earlier windows version, windows reverts
369 * to "old" behaviour of that earlier version.
371 * An example is a disabled edit control that needs to be painted.
372 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
373 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
374 * applications with an expected version 0f 4.0 or higher.
377 static DWORD
get_app_version(void)
379 static DWORD version
;
382 DWORD dwEmulatedVersion
;
384 DWORD dwProcVersion
= GetProcessVersion(0);
386 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
387 GetVersionExW( &info
);
388 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
389 /* FIXME: this may not be 100% correct; see discussion on the
390 * wine developer list in Nov 1999 */
391 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
396 static inline UINT
get_text_length(EDITSTATE
*es
)
398 if(es
->text_length
== (UINT
)-1)
399 es
->text_length
= strlenW(es
->text
);
400 return es
->text_length
;
403 static inline void text_buffer_changed(EDITSTATE
*es
)
405 es
->text_length
= (UINT
)-1;
408 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
413 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
414 msg
= WM_CTLCOLORSTATIC
;
416 msg
= WM_CTLCOLOREDIT
;
418 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
419 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
421 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
425 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
428 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
430 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
433 /*********************************************************************
437 * The messages are in the order of the actual integer values
438 * (which can be found in include/windows.h)
439 * Wherever possible the 16 bit versions are converted to
440 * the 32 bit ones, so that we can 'fall through' to the
441 * helper functions. These are mostly 32 bit (with a few
442 * exceptions, clearly indicated by a '16' extension to their
446 static LRESULT WINAPI
EditWndProc_common( HWND hwnd
, UINT msg
,
447 WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
449 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
452 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
454 if (!es
&& msg
!= WM_NCCREATE
)
455 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
457 if (es
&& (msg
!= WM_DESTROY
)) EDIT_LockBuffer(es
);
465 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
469 if ((short)LOWORD(lParam
) == -1)
470 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
472 EDIT_EM_SetSel(es
, LOWORD(lParam
), HIWORD(lParam
), FALSE
);
474 EDIT_EM_ScrollCaret(es
);
478 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
479 EDIT_EM_ScrollCaret(es
);
486 RECT16
*r16
= MapSL(lParam
);
487 r16
->left
= es
->format_rect
.left
;
488 r16
->top
= es
->format_rect
.top
;
489 r16
->right
= es
->format_rect
.right
;
490 r16
->bottom
= es
->format_rect
.bottom
;
495 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
499 if ((es
->style
& ES_MULTILINE
) && lParam
) {
501 RECT16
*r16
= MapSL(lParam
);
504 rc
.right
= r16
->right
;
505 rc
.bottom
= r16
->bottom
;
506 EDIT_SetRectNP(es
, &rc
);
507 EDIT_UpdateText(es
, NULL
, TRUE
);
511 if ((es
->style
& ES_MULTILINE
) && lParam
) {
512 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
513 EDIT_UpdateText(es
, NULL
, TRUE
);
518 if ((es
->style
& ES_MULTILINE
) && lParam
) {
520 RECT16
*r16
= MapSL(lParam
);
523 rc
.right
= r16
->right
;
524 rc
.bottom
= r16
->bottom
;
525 EDIT_SetRectNP(es
, &rc
);
529 if ((es
->style
& ES_MULTILINE
) && lParam
)
530 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
535 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
538 case EM_LINESCROLL16
:
539 wParam
= (WPARAM
)(INT
)(SHORT
)HIWORD(lParam
);
540 lParam
= (LPARAM
)(INT
)(SHORT
)LOWORD(lParam
);
543 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
546 case EM_SCROLLCARET16
:
548 EDIT_EM_ScrollCaret(es
);
554 result
= ((es
->flags
& EF_MODIFIED
) != 0);
560 es
->flags
|= EF_MODIFIED
;
562 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
565 case EM_GETLINECOUNT16
:
566 case EM_GETLINECOUNT
:
567 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
571 if ((INT16
)wParam
== -1)
575 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
579 EDIT_EM_SetHandle16(es
, (HLOCAL16
)wParam
);
582 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
586 result
= (LRESULT
)EDIT_EM_GetHandle16(es
);
589 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
594 result
= EDIT_EM_GetThumb(es
);
597 /* these messages missing from specs */
606 FIXME("undocumented message 0x%x, please report\n", msg
);
607 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
610 case EM_LINELENGTH16
:
612 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
615 case EM_REPLACESEL16
:
616 lParam
= (LPARAM
)MapSL(lParam
);
617 unicode
= FALSE
; /* 16-bit message is always ascii */
624 textW
= (LPWSTR
)lParam
;
627 LPSTR textA
= (LPSTR
)lParam
;
628 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
629 if((textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
630 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
633 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, TRUE
, TRUE
);
637 HeapFree(GetProcessHeap(), 0, textW
);
642 lParam
= (LPARAM
)MapSL(lParam
);
643 unicode
= FALSE
; /* 16-bit message is always ascii */
646 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
650 case EM_SETLIMITTEXT
:
651 EDIT_EM_SetLimitText(es
, wParam
);
656 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
662 result
= (LRESULT
)EDIT_EM_Undo(es
);
667 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
670 case EM_LINEFROMCHAR16
:
671 case EM_LINEFROMCHAR
:
672 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
675 case EM_SETTABSTOPS16
:
676 result
= (LRESULT
)EDIT_EM_SetTabStops16(es
, (INT
)wParam
, MapSL(lParam
));
679 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
682 case EM_SETPASSWORDCHAR16
:
683 unicode
= FALSE
; /* 16-bit message is always ascii */
685 case EM_SETPASSWORDCHAR
:
690 charW
= (WCHAR
)wParam
;
694 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
697 EDIT_EM_SetPasswordChar(es
, charW
);
701 case EM_EMPTYUNDOBUFFER16
:
702 case EM_EMPTYUNDOBUFFER
:
703 EDIT_EM_EmptyUndoBuffer(es
);
706 case EM_GETFIRSTVISIBLELINE16
:
707 result
= es
->y_offset
;
709 case EM_GETFIRSTVISIBLELINE
:
710 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
713 case EM_SETREADONLY16
:
716 SetWindowLongW( hwnd
, GWL_STYLE
,
717 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
718 es
->style
|= ES_READONLY
;
720 SetWindowLongW( hwnd
, GWL_STYLE
,
721 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
722 es
->style
&= ~ES_READONLY
;
727 case EM_SETWORDBREAKPROC16
:
728 EDIT_EM_SetWordBreakProc16(es
, (EDITWORDBREAKPROC16
)lParam
);
730 case EM_SETWORDBREAKPROC
:
731 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
734 case EM_GETWORDBREAKPROC16
:
735 result
= (LRESULT
)es
->word_break_proc16
;
737 case EM_GETWORDBREAKPROC
:
738 result
= (LRESULT
)es
->word_break_proc
;
741 case EM_GETPASSWORDCHAR16
:
742 unicode
= FALSE
; /* 16-bit message is always ascii */
744 case EM_GETPASSWORDCHAR
:
747 result
= es
->password_char
;
750 WCHAR charW
= es
->password_char
;
752 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
758 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
761 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
765 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
768 case EM_GETLIMITTEXT
:
769 result
= es
->buffer_limit
;
773 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
774 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
778 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
781 /* End of the EM_ messages which were in numerical order; what order
782 * are these in? vaguely alphabetical?
786 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
790 result
= EDIT_WM_Destroy(es
);
795 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
797 if (es
->style
& ES_MULTILINE
)
798 result
|= DLGC_WANTALLKEYS
;
800 if (lParam
&& (((LPMSG
)lParam
)->message
== WM_KEYDOWN
))
802 int vk
= (int)((LPMSG
)lParam
)->wParam
;
806 if (vk
== VK_RETURN
|| vk
== VK_ESCAPE
)
807 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
808 result
|= DLGC_WANTMESSAGE
;
815 SendMessageW(GetParent(hwnd
), WM_CLOSE
, 0, 0);
830 strng
[0] = wParam
>> 8;
831 strng
[1] = wParam
& 0xff;
832 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
833 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
834 result
= EDIT_WM_Char(es
, charW
);
847 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
852 if (charW
== VK_RETURN
|| charW
== VK_ESCAPE
)
854 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
855 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
859 result
= EDIT_WM_Char(es
, charW
);
868 EDIT_WM_Command(es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
872 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
881 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
884 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
888 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
889 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
890 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
892 result
= EDIT_WM_Create(es
, nameW
);
893 HeapFree(GetProcessHeap(), 0, nameW
);
902 es
->bEnableState
= (BOOL
) wParam
;
903 EDIT_UpdateText(es
, NULL
, TRUE
);
907 /* we do the proper erase in EDIT_WM_Paint */
912 result
= (LRESULT
)es
->font
;
916 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
919 case WM_GETTEXTLENGTH
:
920 if (unicode
) result
= get_text_length(es
);
921 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
922 NULL
, 0, NULL
, NULL
);
926 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
930 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
934 result
= EDIT_WM_KillFocus(es
);
937 case WM_LBUTTONDBLCLK
:
938 result
= EDIT_WM_LButtonDblClk(es
);
942 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
946 result
= EDIT_WM_LButtonUp(es
);
950 result
= EDIT_WM_MButtonDown(es
);
954 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
959 EDIT_WM_Paint(es
, (HDC
)wParam
);
967 EDIT_WM_SetFocus(es
);
971 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
975 /* FIXME: actually set an internal flag and behave accordingly */
979 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
984 EDIT_WM_Size(es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
987 case WM_STYLECHANGED
:
988 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
991 case WM_STYLECHANGING
:
992 result
= 0; /* See EDIT_WM_StyleChanged */
996 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
1004 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
1009 int gcWheelDelta
= 0;
1010 UINT pulScrollLines
= 3;
1011 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
1013 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
1014 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
1017 gcWheelDelta
-= GET_WHEEL_DELTA_WPARAM(wParam
);
1018 if (abs(gcWheelDelta
) >= WHEEL_DELTA
&& pulScrollLines
)
1020 int cLineScroll
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
1021 cLineScroll
*= (gcWheelDelta
/ WHEEL_DELTA
);
1022 result
= EDIT_EM_LineScroll(es
, 0, cLineScroll
);
1028 /* IME messages to make the edit control IME aware */
1029 case WM_IME_SETCONTEXT
:
1032 case WM_IME_STARTCOMPOSITION
:
1034 * FIXME in IME: This message is not always sent like it should be
1036 if (es
->selection_start
!= es
->selection_end
)
1038 static const WCHAR empty_stringW
[] = {0};
1039 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
1041 es
->composition_start
= es
->selection_end
;
1042 es
->composition_len
= 0;
1045 case WM_IME_COMPOSITION
:
1047 int caret_pos
= es
->selection_end
;
1048 if (es
->composition_len
== 0)
1050 if (es
->selection_start
!= es
->selection_end
)
1052 static const WCHAR empty_stringW
[] = {0};
1053 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
1056 es
->composition_start
= es
->selection_end
;
1058 EDIT_ImeComposition(hwnd
,lParam
,es
);
1059 EDIT_SetCaretPos(es
, caret_pos
, es
->flags
& EF_AFTER_WRAP
);
1063 case WM_IME_ENDCOMPOSITION
:
1064 es
->composition_len
= 0;
1067 case WM_IME_COMPOSITIONFULL
:
1073 case WM_IME_CONTROL
:
1077 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
1081 if (es
) EDIT_UnlockBuffer(es
, FALSE
);
1083 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
1088 /*********************************************************************
1090 * EditWndProcW (USER32.@)
1092 LRESULT WINAPI
EditWndProcW(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
1094 return EditWndProc_common(hWnd
, uMsg
, wParam
, lParam
, TRUE
);
1097 /*********************************************************************
1099 * EditWndProc (USER32.@)
1101 LRESULT WINAPI
EditWndProcA(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
1103 return EditWndProc_common(hWnd
, uMsg
, wParam
, lParam
, FALSE
);
1106 /*********************************************************************
1108 * EDIT_BuildLineDefs_ML
1110 * Build linked list of text lines.
1111 * Lines can end with '\0' (last line), a character (if it is wrapped),
1112 * a soft return '\r\r\n' or a hard return '\r\n'
1115 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
1119 LPWSTR current_position
, cp
;
1121 LINEDEF
*current_line
;
1122 LINEDEF
*previous_line
;
1123 LINEDEF
*start_line
;
1124 INT line_index
= 0, nstart_line
= 0, nstart_index
= 0;
1125 INT line_count
= es
->line_count
;
1126 INT orig_net_length
;
1129 if (istart
== iend
&& delta
== 0)
1132 dc
= GetDC(es
->hwndSelf
);
1134 old_font
= SelectObject(dc
, es
->font
);
1136 previous_line
= NULL
;
1137 current_line
= es
->first_line_def
;
1139 /* Find starting line. istart must lie inside an existing line or
1140 * at the end of buffer */
1142 if (istart
< current_line
->index
+ current_line
->length
||
1143 current_line
->ending
== END_0
)
1146 previous_line
= current_line
;
1147 current_line
= current_line
->next
;
1149 } while (current_line
);
1151 if (!current_line
) /* Error occurred start is not inside previous buffer */
1153 FIXME(" modification occurred outside buffer\n");
1154 ReleaseDC(es
->hwndSelf
, dc
);
1158 /* Remember start of modifications in order to calculate update region */
1159 nstart_line
= line_index
;
1160 nstart_index
= current_line
->index
;
1162 /* We must start to reformat from the previous line since the modifications
1163 * may have caused the line to wrap upwards. */
1164 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
1167 current_line
= previous_line
;
1169 start_line
= current_line
;
1171 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
1172 current_position
= es
->text
+ current_line
->index
;
1174 if (current_line
!= start_line
)
1176 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
1178 /* The buffer has been expanded, create a new line and
1179 insert it into the link list */
1180 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF
));
1181 new_line
->next
= previous_line
->next
;
1182 previous_line
->next
= new_line
;
1183 current_line
= new_line
;
1186 else if (current_line
->index
+ delta
< current_position
- es
->text
)
1188 /* The previous line merged with this line so we delete this extra entry */
1189 previous_line
->next
= current_line
->next
;
1190 HeapFree(GetProcessHeap(), 0, current_line
);
1191 current_line
= previous_line
->next
;
1195 else /* current_line->index + delta == current_position */
1197 if (current_position
- es
->text
> iend
)
1198 break; /* We reached end of line modifications */
1199 /* else recalulate this line */
1203 current_line
->index
= current_position
- es
->text
;
1204 orig_net_length
= current_line
->net_length
;
1206 /* Find end of line */
1207 cp
= current_position
;
1209 if (*cp
== '\n') break;
1210 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
1215 /* Mark type of line termination */
1217 current_line
->ending
= END_0
;
1218 current_line
->net_length
= strlenW(current_position
);
1219 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
1220 current_line
->ending
= END_SOFT
;
1221 current_line
->net_length
= cp
- current_position
- 1;
1222 } else if (*cp
== '\n') {
1223 current_line
->ending
= END_RICH
;
1224 current_line
->net_length
= cp
- current_position
;
1226 current_line
->ending
= END_HARD
;
1227 current_line
->net_length
= cp
- current_position
;
1230 /* Calculate line width */
1231 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1232 current_position
, current_line
->net_length
,
1233 es
->tabs_count
, es
->tabs
));
1235 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1236 if (!(es
->style
& ES_AUTOHSCROLL
)) {
1237 if (current_line
->width
> fw
) {
1242 next
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
1243 prev
+ 1, current_line
->net_length
, WB_RIGHT
);
1244 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1245 current_position
, next
, es
->tabs_count
, es
->tabs
));
1246 } while (current_line
->width
<= fw
);
1247 if (!prev
) { /* Didn't find a line break so force a break */
1252 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1253 current_position
, next
, es
->tabs_count
, es
->tabs
));
1254 } while (current_line
->width
<= fw
);
1259 /* If the first line we are calculating, wrapped before istart, we must
1260 * adjust istart in order for this to be reflected in the update region. */
1261 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
1262 istart
= current_line
->index
+ prev
;
1263 /* else if we are updating the previous line before the first line we
1264 * are re-calculating and it expanded */
1265 else if (current_line
== start_line
&&
1266 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
1268 /* Line expanded due to an upwards line wrap so we must partially include
1269 * previous line in update region */
1270 nstart_line
= line_index
;
1271 nstart_index
= current_line
->index
;
1272 istart
= current_line
->index
+ orig_net_length
;
1275 current_line
->net_length
= prev
;
1276 current_line
->ending
= END_WRAP
;
1277 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
, current_position
,
1278 current_line
->net_length
, es
->tabs_count
, es
->tabs
));
1280 else if (current_line
== start_line
&&
1281 current_line
->index
!= nstart_index
&&
1282 orig_net_length
< current_line
->net_length
) {
1283 /* The previous line expanded but it's still not as wide as the client rect */
1284 /* The expansion is due to an upwards line wrap so we must partially include
1285 it in the update region */
1286 nstart_line
= line_index
;
1287 nstart_index
= current_line
->index
;
1288 istart
= current_line
->index
+ orig_net_length
;
1293 /* Adjust length to include line termination */
1294 switch (current_line
->ending
) {
1296 current_line
->length
= current_line
->net_length
+ 3;
1299 current_line
->length
= current_line
->net_length
+ 1;
1302 current_line
->length
= current_line
->net_length
+ 2;
1306 current_line
->length
= current_line
->net_length
;
1309 es
->text_width
= max(es
->text_width
, current_line
->width
);
1310 current_position
+= current_line
->length
;
1311 previous_line
= current_line
;
1312 current_line
= current_line
->next
;
1314 } while (previous_line
->ending
!= END_0
);
1316 /* Finish adjusting line indexes by delta or remove hanging lines */
1317 if (previous_line
->ending
== END_0
)
1319 LINEDEF
*pnext
= NULL
;
1321 previous_line
->next
= NULL
;
1322 while (current_line
)
1324 pnext
= current_line
->next
;
1325 HeapFree(GetProcessHeap(), 0, current_line
);
1326 current_line
= pnext
;
1330 else if (delta
!= 0)
1332 while (current_line
)
1334 current_line
->index
+= delta
;
1335 current_line
= current_line
->next
;
1339 /* Calculate rest of modification rectangle */
1344 * We calculate two rectangles. One for the first line which may have
1345 * an indent with respect to the format rect. The other is a format-width
1346 * rectangle that spans the rest of the lines that changed or moved.
1348 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
1349 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
1350 rc
.bottom
= rc
.top
+ es
->line_height
;
1351 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
1352 rc
.left
= es
->format_rect
.left
;
1354 rc
.left
= es
->format_rect
.left
+ (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1355 es
->text
+ nstart_index
, istart
- nstart_index
,
1356 es
->tabs_count
, es
->tabs
)) - es
->x_offset
; /* Adjust for horz scroll */
1357 rc
.right
= es
->format_rect
.right
;
1358 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
1361 rc
.left
= es
->format_rect
.left
;
1362 rc
.right
= es
->format_rect
.right
;
1364 * If lines were added or removed we must re-paint the remainder of the
1365 * lines since the remaining lines were either shifted up or down.
1367 if (line_count
< es
->line_count
) /* We added lines */
1368 rc
.bottom
= es
->line_count
* es
->line_height
;
1369 else if (line_count
> es
->line_count
) /* We removed lines */
1370 rc
.bottom
= line_count
* es
->line_height
;
1372 rc
.bottom
= line_index
* es
->line_height
;
1373 rc
.bottom
+= es
->format_rect
.top
;
1374 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
1375 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
1376 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
1377 DeleteObject(tmphrgn
);
1381 SelectObject(dc
, old_font
);
1383 ReleaseDC(es
->hwndSelf
, dc
);
1386 /*********************************************************************
1388 * EDIT_CalcLineWidth_SL
1391 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
1398 text
= EDIT_GetPasswordPointer_SL(es
);
1400 dc
= GetDC(es
->hwndSelf
);
1402 old_font
= SelectObject(dc
, es
->font
);
1404 GetTextExtentPoint32W(dc
, text
, strlenW(text
), &size
);
1407 SelectObject(dc
, old_font
);
1408 ReleaseDC(es
->hwndSelf
, dc
);
1410 if (es
->style
& ES_PASSWORD
)
1411 HeapFree(GetProcessHeap(), 0, text
);
1413 es
->text_width
= size
.cx
;
1416 /*********************************************************************
1418 * EDIT_CallWordBreakProc
1420 * Call appropriate WordBreakProc (internal or external).
1422 * Note: The "start" argument should always be an index referring
1423 * to es->text. The actual wordbreak proc might be
1424 * 16 bit, so we can't always pass any 32 bit LPSTR.
1425 * Hence we assume that es->text is the buffer that holds
1426 * the string under examination (we can decide this for ourselves).
1429 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
1433 if (es
->word_break_proc16
) {
1440 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
1441 hglob16
= GlobalAlloc16(GMEM_MOVEABLE
| GMEM_ZEROINIT
, countA
);
1442 segptr
= WOWGlobalLock16(hglob16
);
1443 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, MapSL(segptr
), countA
, NULL
, NULL
);
1444 args
[4] = SELECTOROF(segptr
);
1445 args
[3] = OFFSETOF(segptr
);
1449 WOWCallback16Ex((DWORD
)es
->word_break_proc16
, WCB16_PASCAL
, sizeof(args
), args
, &result
);
1450 ret
= LOWORD(result
);
1451 GlobalUnlock16(hglob16
);
1452 GlobalFree16(hglob16
);
1454 else if (es
->word_break_proc
)
1458 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
1460 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1461 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
1462 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
1466 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
1470 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
1471 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
1472 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
1473 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1474 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
1475 ret
= wbpA(textA
, index
, countA
, action
);
1476 HeapFree(GetProcessHeap(), 0, textA
);
1480 ret
= EDIT_WordBreakProc(es
->text
+ start
, index
, count
, action
);
1486 /*********************************************************************
1490 * Beware: This is not the function called on EM_CHARFROMPOS
1491 * The position _can_ be outside the formatting / client
1493 * The return value is only the character index
1496 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
1501 INT x_high
= 0, x_low
= 0;
1503 if (es
->style
& ES_MULTILINE
) {
1504 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
1506 LINEDEF
*line_def
= es
->first_line_def
;
1508 while ((line
> 0) && line_def
->next
) {
1509 line_index
+= line_def
->length
;
1510 line_def
= line_def
->next
;
1513 x
+= es
->x_offset
- es
->format_rect
.left
;
1514 if (es
->style
& ES_RIGHT
)
1515 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
1516 else if (es
->style
& ES_CENTER
)
1517 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
1518 if (x
>= line_def
->width
) {
1520 *after_wrap
= (line_def
->ending
== END_WRAP
);
1521 return line_index
+ line_def
->net_length
;
1525 *after_wrap
= FALSE
;
1528 dc
= GetDC(es
->hwndSelf
);
1530 old_font
= SelectObject(dc
, es
->font
);
1532 high
= line_index
+ line_def
->net_length
+ 1;
1533 while (low
< high
- 1)
1535 INT mid
= (low
+ high
) / 2;
1536 INT x_now
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ line_index
, mid
- line_index
, es
->tabs_count
, es
->tabs
));
1545 if (abs(x_high
- x
) + 1 <= abs(x_low
- x
))
1551 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
1552 (line_def
->ending
== END_WRAP
));
1557 *after_wrap
= FALSE
;
1558 x
-= es
->format_rect
.left
;
1560 return es
->x_offset
;
1564 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
1565 if (es
->style
& ES_RIGHT
)
1567 else if (es
->style
& ES_CENTER
)
1571 text
= EDIT_GetPasswordPointer_SL(es
);
1572 dc
= GetDC(es
->hwndSelf
);
1574 old_font
= SelectObject(dc
, es
->font
);
1578 INT high
= es
->x_offset
;
1579 while (low
< high
- 1)
1581 INT mid
= (low
+ high
) / 2;
1582 GetTextExtentPoint32W( dc
, text
+ mid
,
1583 es
->x_offset
- mid
, &size
);
1592 if (abs(x_high
+ x
) <= abs(x_low
+ x
) + 1)
1599 INT low
= es
->x_offset
;
1600 INT high
= get_text_length(es
) + 1;
1601 while (low
< high
- 1)
1603 INT mid
= (low
+ high
) / 2;
1604 GetTextExtentPoint32W( dc
, text
+ es
->x_offset
,
1605 mid
- es
->x_offset
, &size
);
1614 if (abs(x_high
- x
) <= abs(x_low
- x
) + 1)
1619 if (es
->style
& ES_PASSWORD
)
1620 HeapFree(GetProcessHeap(), 0, text
);
1623 SelectObject(dc
, old_font
);
1624 ReleaseDC(es
->hwndSelf
, dc
);
1629 /*********************************************************************
1633 * adjusts the point to be within the formatting rectangle
1634 * (so CharFromPos returns the nearest _visible_ character)
1637 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
)
1639 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
1640 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
1644 /*********************************************************************
1648 * Calculates the bounding rectangle for a line from a starting
1649 * column to an ending column.
1652 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1654 INT line_index
= EDIT_EM_LineIndex(es
, line
);
1656 if (es
->style
& ES_MULTILINE
)
1657 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1659 rc
->top
= es
->format_rect
.top
;
1660 rc
->bottom
= rc
->top
+ es
->line_height
;
1661 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1662 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1666 /*********************************************************************
1668 * EDIT_GetPasswordPointer_SL
1670 * note: caller should free the (optionally) allocated buffer
1673 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
)
1675 if (es
->style
& ES_PASSWORD
) {
1676 INT len
= get_text_length(es
);
1677 LPWSTR text
= HeapAlloc(GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
));
1679 while(len
) text
[--len
] = es
->password_char
;
1686 /*********************************************************************
1690 * This acts as a LocalLock16(), but it locks only once. This way
1691 * you can call it whenever you like, without unlocking.
1693 * Initially the edit control allocates a HLOCAL32 buffer
1694 * (32 bit linear memory handler). However, 16 bit application
1695 * might send an EM_GETHANDLE message and expect a HLOCAL16 (16 bit SEG:OFF
1696 * handler). From that moment on we have to keep using this 16 bit memory
1697 * handler, because it is supposed to be valid at all times after EM_GETHANDLE.
1698 * What we do is create a HLOCAL16 buffer, copy the text, and do pointer
1702 static void EDIT_LockBuffer(EDITSTATE
*es
)
1704 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
1705 HINSTANCE16 hInstance
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
1710 BOOL _16bit
= FALSE
;
1716 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1717 textA
= LocalLock(es
->hloc32A
);
1718 countA
= strlen(textA
) + 1;
1722 HANDLE16 oldDS
= stack16
->ds
;
1723 TRACE("Synchronizing with 16-bit ANSI buffer\n");
1724 stack16
->ds
= hInstance
;
1725 textA
= MapSL(LocalLock16(es
->hloc16
));
1726 stack16
->ds
= oldDS
;
1727 countA
= strlen(textA
) + 1;
1732 ERR("no buffer ... please report\n");
1739 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
1740 TRACE("%d bytes translated to %d WCHARs\n", countA
, countW_new
);
1741 if(countW_new
> es
->buffer_size
+ 1)
1743 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1744 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1745 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1748 es
->hloc32W
= hloc32W_new
;
1749 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1750 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1753 WARN("FAILED! Will synchronize partially\n");
1757 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
1758 es
->text
= LocalLock(es
->hloc32W
);
1762 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, es
->text
, es
->buffer_size
+ 1);
1765 HANDLE16 oldDS
= stack16
->ds
;
1766 stack16
->ds
= hInstance
;
1767 LocalUnlock16(es
->hloc16
);
1768 stack16
->ds
= oldDS
;
1771 LocalUnlock(es
->hloc32A
);
1774 if(es
->flags
& EF_APP_HAS_HANDLE
) text_buffer_changed(es
);
1779 /*********************************************************************
1781 * EDIT_SL_InvalidateText
1783 * Called from EDIT_InvalidateText().
1784 * Does the job for single-line controls only.
1787 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1792 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1793 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1794 EDIT_UpdateText(es
, &rc
, TRUE
);
1798 /*********************************************************************
1800 * EDIT_ML_InvalidateText
1802 * Called from EDIT_InvalidateText().
1803 * Does the job for multi-line controls only.
1806 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1808 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1809 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1810 INT el
= EDIT_EM_LineFromChar(es
, end
);
1819 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1822 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1823 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1824 if (sl
< es
->y_offset
) {
1828 if (el
> es
->y_offset
+ vlc
) {
1829 el
= es
->y_offset
+ vlc
;
1830 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1832 GetClientRect(es
->hwndSelf
, &rc1
);
1833 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1835 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1836 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1837 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1839 EDIT_GetLineRect(es
, sl
, sc
,
1840 EDIT_EM_LineLength(es
,
1841 EDIT_EM_LineIndex(es
, sl
)),
1843 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1844 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1845 for (l
= sl
+ 1 ; l
< el
; l
++) {
1846 EDIT_GetLineRect(es
, l
, 0,
1847 EDIT_EM_LineLength(es
,
1848 EDIT_EM_LineIndex(es
, l
)),
1850 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1851 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1853 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1854 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1855 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1860 /*********************************************************************
1862 * EDIT_InvalidateText
1864 * Invalidate the text from offset start up to, but not including,
1865 * offset end. Useful for (re)painting the selection.
1866 * Regions outside the linewidth are not invalidated.
1867 * end == -1 means end == TextLength.
1868 * start and end need not be ordered.
1871 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1877 end
= get_text_length(es
);
1885 if (es
->style
& ES_MULTILINE
)
1886 EDIT_ML_InvalidateText(es
, start
, end
);
1888 EDIT_SL_InvalidateText(es
, start
, end
);
1892 /*********************************************************************
1896 * Try to fit size + 1 characters in the buffer.
1898 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1902 if (size
<= es
->buffer_size
)
1905 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1907 /* Force edit to unlock it's buffer. es->text now NULL */
1908 EDIT_UnlockBuffer(es
, TRUE
);
1911 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1912 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1913 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1914 es
->hloc32W
= hNew32W
;
1915 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1919 EDIT_LockBuffer(es
);
1921 if (es
->buffer_size
< size
) {
1922 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1923 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1926 TRACE("We now have %d+1\n", es
->buffer_size
);
1932 /*********************************************************************
1936 * Try to fit size + 1 bytes in the undo buffer.
1939 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1943 if (size
<= es
->undo_buffer_size
)
1946 TRACE("trying to ReAlloc to %d+1\n", size
);
1948 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1949 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1950 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1955 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1961 /*********************************************************************
1966 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1968 INT e
= es
->selection_end
;
1972 if ((es
->style
& ES_MULTILINE
) && e
&&
1973 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1975 if (e
&& (es
->text
[e
- 1] == '\r'))
1979 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1980 EDIT_EM_ScrollCaret(es
);
1984 /*********************************************************************
1988 * Only for multi line controls
1989 * Move the caret one line down, on a column with the nearest
1990 * x coordinate on the screen (might be a different column).
1993 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
1995 INT s
= es
->selection_start
;
1996 INT e
= es
->selection_end
;
1997 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1998 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1999 INT x
= (short)LOWORD(pos
);
2000 INT y
= (short)HIWORD(pos
);
2002 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
2005 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2006 EDIT_EM_ScrollCaret(es
);
2010 /*********************************************************************
2015 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
)
2017 BOOL after_wrap
= FALSE
;
2020 /* Pass a high value in x to make sure of receiving the end of the line */
2021 if (es
->style
& ES_MULTILINE
)
2022 e
= EDIT_CharFromPos(es
, 0x3fffffff,
2023 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
2025 e
= get_text_length(es
);
2026 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
2027 EDIT_EM_ScrollCaret(es
);
2031 /*********************************************************************
2036 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
2038 INT e
= es
->selection_end
;
2042 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
2043 if (es
->text
[e
] == '\n')
2045 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
2049 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
2050 EDIT_EM_ScrollCaret(es
);
2054 /*********************************************************************
2058 * Home key: move to beginning of line.
2061 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
2065 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2066 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
2067 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
2068 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
2071 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
2072 EDIT_EM_ScrollCaret(es
);
2076 /*********************************************************************
2078 * EDIT_MovePageDown_ML
2080 * Only for multi line controls
2081 * Move the caret one page down, on a column with the nearest
2082 * x coordinate on the screen (might be a different column).
2085 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
)
2087 INT s
= es
->selection_start
;
2088 INT e
= es
->selection_end
;
2089 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2090 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2091 INT x
= (short)LOWORD(pos
);
2092 INT y
= (short)HIWORD(pos
);
2094 e
= EDIT_CharFromPos(es
, x
,
2095 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
2099 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2100 EDIT_EM_ScrollCaret(es
);
2104 /*********************************************************************
2106 * EDIT_MovePageUp_ML
2108 * Only for multi line controls
2109 * Move the caret one page up, on a column with the nearest
2110 * x coordinate on the screen (might be a different column).
2113 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
2115 INT s
= es
->selection_start
;
2116 INT e
= es
->selection_end
;
2117 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2118 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2119 INT x
= (short)LOWORD(pos
);
2120 INT y
= (short)HIWORD(pos
);
2122 e
= EDIT_CharFromPos(es
, x
,
2123 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
2127 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2128 EDIT_EM_ScrollCaret(es
);
2132 /*********************************************************************
2136 * Only for multi line controls
2137 * Move the caret one line up, on a column with the nearest
2138 * x coordinate on the screen (might be a different column).
2141 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
2143 INT s
= es
->selection_start
;
2144 INT e
= es
->selection_end
;
2145 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2146 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2147 INT x
= (short)LOWORD(pos
);
2148 INT y
= (short)HIWORD(pos
);
2150 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
2153 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2154 EDIT_EM_ScrollCaret(es
);
2158 /*********************************************************************
2160 * EDIT_MoveWordBackward
2163 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
2165 INT s
= es
->selection_start
;
2166 INT e
= es
->selection_end
;
2171 l
= EDIT_EM_LineFromChar(es
, e
);
2172 ll
= EDIT_EM_LineLength(es
, e
);
2173 li
= EDIT_EM_LineIndex(es
, l
);
2176 li
= EDIT_EM_LineIndex(es
, l
- 1);
2177 e
= li
+ EDIT_EM_LineLength(es
, li
);
2180 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
2184 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2185 EDIT_EM_ScrollCaret(es
);
2189 /*********************************************************************
2191 * EDIT_MoveWordForward
2194 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
2196 INT s
= es
->selection_start
;
2197 INT e
= es
->selection_end
;
2202 l
= EDIT_EM_LineFromChar(es
, e
);
2203 ll
= EDIT_EM_LineLength(es
, e
);
2204 li
= EDIT_EM_LineIndex(es
, l
);
2206 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
2207 e
= EDIT_EM_LineIndex(es
, l
+ 1);
2209 e
= li
+ EDIT_CallWordBreakProc(es
,
2210 li
, e
- li
+ 1, ll
, WB_RIGHT
);
2214 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2215 EDIT_EM_ScrollCaret(es
);
2219 /*********************************************************************
2224 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2226 INT s
= es
->selection_start
;
2227 INT e
= es
->selection_end
;
2234 if (es
->style
& ES_MULTILINE
) {
2235 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2236 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2241 TRACE("line=%d\n", line
);
2243 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2244 x
= (short)LOWORD(pos
);
2245 y
= (short)HIWORD(pos
);
2246 li
= EDIT_EM_LineIndex(es
, line
);
2247 ll
= EDIT_EM_LineLength(es
, li
);
2248 s
= min(es
->selection_start
, es
->selection_end
);
2249 e
= max(es
->selection_start
, es
->selection_end
);
2250 s
= min(li
+ ll
, max(li
, s
));
2251 e
= min(li
+ ll
, max(li
, e
));
2252 if (rev
&& (s
!= e
) &&
2253 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2254 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2255 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2256 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2258 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2262 /*********************************************************************
2267 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
2271 LOGFONTW underline_font
;
2272 HFONT hUnderline
= 0;
2281 BkMode
= GetBkMode(dc
);
2282 BkColor
= GetBkColor(dc
);
2283 TextColor
= GetTextColor(dc
);
2285 if (es
->composition_len
== 0)
2287 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2288 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2289 SetBkMode( dc
, OPAQUE
);
2293 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2294 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2295 underline_font
.lfUnderline
= TRUE
;
2296 hUnderline
= CreateFontIndirectW(&underline_font
);
2297 old_font
= SelectObject(dc
,hUnderline
);
2300 li
= EDIT_EM_LineIndex(es
, line
);
2301 if (es
->style
& ES_MULTILINE
) {
2302 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2303 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2305 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
2306 TextOutW(dc
, x
, y
, text
+ li
+ col
, count
);
2307 GetTextExtentPoint32W(dc
, text
+ li
+ col
, count
, &size
);
2309 if (es
->style
& ES_PASSWORD
)
2310 HeapFree(GetProcessHeap(), 0, text
);
2313 if (es
->composition_len
== 0)
2315 SetBkColor(dc
, BkColor
);
2316 SetTextColor(dc
, TextColor
);
2317 SetBkMode( dc
, BkMode
);
2322 SelectObject(dc
,old_font
);
2324 DeleteObject(hUnderline
);
2331 /*********************************************************************
2336 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
2339 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
2340 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
2341 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
2345 /*********************************************************************
2347 * EDIT_AdjustFormatRect
2349 * Adjusts the format rectangle for the current font and the
2350 * current client rectangle.
2353 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2357 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2358 if (es
->style
& ES_MULTILINE
)
2360 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2362 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2363 es
->format_rect
.bottom
= es
->format_rect
.top
+ max(1, vlc
) * es
->line_height
;
2365 /* correct es->x_offset */
2366 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2367 max_x_offset
= es
->text_width
- fw
;
2368 if(max_x_offset
< 0) max_x_offset
= 0;
2369 if(es
->x_offset
> max_x_offset
)
2370 es
->x_offset
= max_x_offset
;
2372 /* correct es->y_offset */
2373 max_y_offset
= es
->line_count
- vlc
;
2374 if(max_y_offset
< 0) max_y_offset
= 0;
2375 if(es
->y_offset
> max_y_offset
)
2376 es
->y_offset
= max_y_offset
;
2378 /* force scroll info update */
2379 EDIT_UpdateScrollInfo(es
);
2382 /* Windows doesn't care to fix text placement for SL controls */
2383 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2385 /* Always stay within the client area */
2386 GetClientRect(es
->hwndSelf
, &ClientRect
);
2387 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2389 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2390 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2392 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2396 /*********************************************************************
2400 * note: this is not (exactly) the handler called on EM_SETRECTNP
2401 * it is also used to set the rect of a single line control
2404 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*rc
)
2408 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2410 CopyRect(&es
->format_rect
, rc
);
2412 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2413 es
->format_rect
.left
++;
2414 es
->format_rect
.right
--;
2416 if (es
->format_rect
.bottom
- es
->format_rect
.top
2417 >= es
->line_height
+ 2)
2419 es
->format_rect
.top
++;
2420 es
->format_rect
.bottom
--;
2423 else if (es
->style
& WS_BORDER
) {
2424 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2425 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2426 es
->format_rect
.left
+= bw
;
2427 es
->format_rect
.right
-= bw
;
2428 if (es
->format_rect
.bottom
- es
->format_rect
.top
2429 >= es
->line_height
+ 2 * bh
)
2431 es
->format_rect
.top
+= bh
;
2432 es
->format_rect
.bottom
-= bh
;
2436 es
->format_rect
.left
+= es
->left_margin
;
2437 es
->format_rect
.right
-= es
->right_margin
;
2438 EDIT_AdjustFormatRect(es
);
2442 /*********************************************************************
2447 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
2450 /* Edit window might be already destroyed */
2451 if(!IsWindow(es
->hwndSelf
))
2453 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
2457 if (!es
->lock_count
) {
2458 ERR("lock_count == 0 ... please report\n");
2462 ERR("es->text == 0 ... please report\n");
2466 if (force
|| (es
->lock_count
== 1)) {
2470 UINT countW
= get_text_length(es
) + 1;
2471 STACK16FRAME
* stack16
= NULL
;
2476 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
2477 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2478 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
2479 countA
= LocalSize(es
->hloc32A
);
2480 if(countA_new
> countA
)
2483 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
2484 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
2485 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
2488 es
->hloc32A
= hloc32A_new
;
2489 countA
= LocalSize(hloc32A_new
);
2490 TRACE("Real new size %d bytes\n", countA
);
2493 WARN("FAILED! Will synchronize partially\n");
2495 textA
= LocalLock(es
->hloc32A
);
2499 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
2501 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2502 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
2504 stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
2505 oldDS
= stack16
->ds
;
2506 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
2508 countA
= LocalSize16(es
->hloc16
);
2509 if(countA_new
> countA
)
2511 HLOCAL16 hloc16_new
;
2512 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
2513 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
2514 hloc16_new
= LocalReAlloc16(es
->hloc16
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
2517 es
->hloc16
= hloc16_new
;
2518 countA
= LocalSize16(hloc16_new
);
2519 TRACE("Real new size %d bytes\n", countA
);
2522 WARN("FAILED! Will synchronize partially\n");
2524 textA
= MapSL(LocalLock16(es
->hloc16
));
2529 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, textA
, countA
, NULL
, NULL
);
2531 LocalUnlock16(es
->hloc16
);
2533 LocalUnlock(es
->hloc32A
);
2536 if (stack16
) stack16
->ds
= oldDS
;
2537 LocalUnlock(es
->hloc32W
);
2541 ERR("no buffer ... please report\n");
2549 /*********************************************************************
2551 * EDIT_UpdateScrollInfo
2554 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
2556 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
2559 si
.cbSize
= sizeof(SCROLLINFO
);
2560 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
2562 si
.nMax
= es
->line_count
- 1;
2563 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2564 si
.nPos
= es
->y_offset
;
2565 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2566 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
2567 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
2570 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
2573 si
.cbSize
= sizeof(SCROLLINFO
);
2574 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
2576 si
.nMax
= es
->text_width
- 1;
2577 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
2578 si
.nPos
= es
->x_offset
;
2579 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2580 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
2581 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
2585 /*********************************************************************
2587 * EDIT_WordBreakProc
2589 * Find the beginning of words.
2590 * Note: unlike the specs for a WordBreakProc, this function only
2591 * allows to be called without linebreaks between s[0] up to
2592 * s[count - 1]. Remember it is only called
2593 * internally, so we can decide this for ourselves.
2596 static INT CALLBACK
EDIT_WordBreakProc(LPWSTR s
, INT index
, INT count
, INT action
)
2600 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
2610 if (s
[index
] == ' ') {
2611 while (index
&& (s
[index
] == ' '))
2614 while (index
&& (s
[index
] != ' '))
2616 if (s
[index
] == ' ')
2620 while (index
&& (s
[index
] != ' '))
2622 if (s
[index
] == ' ')
2632 if (s
[index
] == ' ')
2633 while ((index
< count
) && (s
[index
] == ' ')) index
++;
2635 while (s
[index
] && (s
[index
] != ' ') && (index
< count
))
2637 while ((s
[index
] == ' ') && (index
< count
)) index
++;
2641 case WB_ISDELIMITER
:
2642 ret
= (s
[index
] == ' ');
2645 ERR("unknown action code, please report !\n");
2652 /*********************************************************************
2656 * returns line number (not index) in high-order word of result.
2657 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2658 * to Richedit, not to the edit control. Original documentation is valid.
2659 * FIXME: do the specs mean to return -1 if outside client area or
2660 * if outside formatting rectangle ???
2663 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2671 GetClientRect(es
->hwndSelf
, &rc
);
2672 if (!PtInRect(&rc
, pt
))
2675 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2676 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2680 /*********************************************************************
2684 * Enable or disable soft breaks.
2686 * This means: insert or remove the soft linebreak character (\r\r\n).
2687 * Take care to check if the text still fits the buffer after insertion.
2688 * If not, notify with EN_ERRSPACE.
2691 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2693 es
->flags
&= ~EF_USE_SOFTBRK
;
2695 es
->flags
|= EF_USE_SOFTBRK
;
2696 FIXME("soft break enabled, not implemented\n");
2702 /*********************************************************************
2706 * Hopefully this won't fire back at us.
2707 * We always start with a fixed buffer in the local heap.
2708 * Despite of the documentation says that the local heap is used
2709 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2710 * buffer on the local heap.
2713 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2717 if (!(es
->style
& ES_MULTILINE
))
2721 hLocal
= es
->hloc32W
;
2727 UINT countA
, alloc_size
;
2728 TRACE("Allocating 32-bit ANSI alias buffer\n");
2729 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2730 alloc_size
= ROUND_TO_GROW(countA
);
2731 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2733 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2736 textA
= LocalLock(es
->hloc32A
);
2737 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2738 LocalUnlock(es
->hloc32A
);
2740 hLocal
= es
->hloc32A
;
2743 es
->flags
|= EF_APP_HAS_HANDLE
;
2744 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2749 /*********************************************************************
2753 * Hopefully this won't fire back at us.
2754 * We always start with a buffer in 32 bit linear memory.
2755 * However, with this message a 16 bit application requests
2756 * a handle of 16 bit local heap memory, where it expects to find
2758 * It's a pitty that from this moment on we have to use this
2759 * local heap, because applications may rely on the handle
2762 * In this function we'll try to switch to local heap.
2764 static HLOCAL16
EDIT_EM_GetHandle16(EDITSTATE
*es
)
2767 UINT countA
, alloc_size
;
2768 STACK16FRAME
* stack16
;
2771 if (!(es
->style
& ES_MULTILINE
))
2777 stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
2778 oldDS
= stack16
->ds
;
2779 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
2781 if (!LocalHeapSize16()) {
2783 if (!LocalInit16(stack16
->ds
, 0, GlobalSize16(stack16
->ds
))) {
2784 ERR("could not initialize local heap\n");
2787 TRACE("local heap initialized\n");
2790 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2791 alloc_size
= ROUND_TO_GROW(countA
);
2793 TRACE("Allocating 16-bit ANSI alias buffer\n");
2794 if (!(es
->hloc16
= LocalAlloc16(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
))) {
2795 ERR("could not allocate new 16 bit buffer\n");
2799 if (!(textA
= MapSL(LocalLock16( es
->hloc16
)))) {
2800 ERR("could not lock new 16 bit buffer\n");
2801 LocalFree16(es
->hloc16
);
2806 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2807 LocalUnlock16(es
->hloc16
);
2808 es
->flags
|= EF_APP_HAS_HANDLE
;
2810 TRACE("Returning %04X, LocalSize() = %d\n", es
->hloc16
, LocalSize16(es
->hloc16
));
2813 stack16
->ds
= oldDS
;
2818 /*********************************************************************
2823 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2826 INT line_len
, dst_len
;
2829 if (es
->style
& ES_MULTILINE
) {
2830 if (line
>= es
->line_count
)
2834 i
= EDIT_EM_LineIndex(es
, line
);
2836 line_len
= EDIT_EM_LineLength(es
, i
);
2837 dst_len
= *(WORD
*)dst
;
2840 if(dst_len
<= line_len
)
2842 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2845 else /* Append 0 if enough space */
2847 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2854 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2855 if(!ret
&& line_len
) /* Insufficient buffer size */
2857 if(ret
< dst_len
) /* Append 0 if enough space */
2858 ((LPSTR
)dst
)[ret
] = 0;
2864 /*********************************************************************
2869 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
)
2871 UINT s
= es
->selection_start
;
2872 UINT e
= es
->selection_end
;
2879 return MAKELONG(s
, e
);
2883 /*********************************************************************
2887 * FIXME: is this right ? (or should it be only VSCROLL)
2888 * (and maybe only for edit controls that really have their
2889 * own scrollbars) (and maybe only for multiline controls ?)
2890 * All in all: very poorly documented
2893 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
)
2895 return MAKELONG(EDIT_WM_VScroll(es
, EM_GETTHUMB16
, 0),
2896 EDIT_WM_HScroll(es
, EM_GETTHUMB16
, 0));
2900 /*********************************************************************
2905 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
2910 if (!(es
->style
& ES_MULTILINE
))
2912 if (index
> (INT
)get_text_length(es
))
2913 return es
->line_count
- 1;
2915 index
= min(es
->selection_start
, es
->selection_end
);
2918 line_def
= es
->first_line_def
;
2919 index
-= line_def
->length
;
2920 while ((index
>= 0) && line_def
->next
) {
2922 line_def
= line_def
->next
;
2923 index
-= line_def
->length
;
2929 /*********************************************************************
2934 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
)
2937 const LINEDEF
*line_def
;
2939 if (!(es
->style
& ES_MULTILINE
))
2941 if (line
>= es
->line_count
)
2945 line_def
= es
->first_line_def
;
2947 INT index
= es
->selection_end
- line_def
->length
;
2948 while ((index
>= 0) && line_def
->next
) {
2949 line_index
+= line_def
->length
;
2950 line_def
= line_def
->next
;
2951 index
-= line_def
->length
;
2955 line_index
+= line_def
->length
;
2956 line_def
= line_def
->next
;
2964 /*********************************************************************
2969 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
2973 if (!(es
->style
& ES_MULTILINE
))
2974 return get_text_length(es
);
2977 /* get the number of remaining non-selected chars of selected lines */
2978 INT32 l
; /* line number */
2979 INT32 li
; /* index of first char in line */
2981 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
2982 /* # chars before start of selection area */
2983 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
2984 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
2985 /* # chars after end of selection */
2986 li
= EDIT_EM_LineIndex(es
, l
);
2987 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
2990 line_def
= es
->first_line_def
;
2991 index
-= line_def
->length
;
2992 while ((index
>= 0) && line_def
->next
) {
2993 line_def
= line_def
->next
;
2994 index
-= line_def
->length
;
2996 return line_def
->net_length
;
3000 /*********************************************************************
3004 * NOTE: dx is in average character widths, dy - in lines;
3007 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
3009 if (!(es
->style
& ES_MULTILINE
))
3012 dx
*= es
->char_width
;
3013 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
3016 /*********************************************************************
3018 * EDIT_EM_LineScroll_internal
3020 * Version of EDIT_EM_LineScroll for internal use.
3021 * It doesn't refuse if ES_MULTILINE is set and assumes that
3022 * dx is in pixels, dy - in lines.
3025 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
3028 INT x_offset_in_pixels
;
3029 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
3032 if (es
->style
& ES_MULTILINE
)
3034 x_offset_in_pixels
= es
->x_offset
;
3039 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
3042 if (-dx
> x_offset_in_pixels
)
3043 dx
= -x_offset_in_pixels
;
3044 if (dx
> es
->text_width
- x_offset_in_pixels
)
3045 dx
= es
->text_width
- x_offset_in_pixels
;
3046 nyoff
= max(0, es
->y_offset
+ dy
);
3047 if (nyoff
>= es
->line_count
- lines_per_page
)
3048 nyoff
= max(0, es
->line_count
- lines_per_page
);
3049 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
3054 es
->y_offset
= nyoff
;
3055 if(es
->style
& ES_MULTILINE
)
3058 es
->x_offset
+= dx
/ es
->char_width
;
3060 GetClientRect(es
->hwndSelf
, &rc1
);
3061 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
3062 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
3063 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
3064 /* force scroll info update */
3065 EDIT_UpdateScrollInfo(es
);
3067 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
3068 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
3069 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
3070 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
3075 /*********************************************************************
3080 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
3082 INT len
= get_text_length(es
);
3095 index
= min(index
, len
);
3096 dc
= GetDC(es
->hwndSelf
);
3098 old_font
= SelectObject(dc
, es
->font
);
3099 if (es
->style
& ES_MULTILINE
) {
3100 l
= EDIT_EM_LineFromChar(es
, index
);
3101 y
= (l
- es
->y_offset
) * es
->line_height
;
3102 li
= EDIT_EM_LineIndex(es
, l
);
3103 if (after_wrap
&& (li
== index
) && l
) {
3105 line_def
= es
->first_line_def
;
3107 line_def
= line_def
->next
;
3110 if (line_def
->ending
== END_WRAP
) {
3112 y
-= es
->line_height
;
3113 li
= EDIT_EM_LineIndex(es
, l
);
3117 line_def
= es
->first_line_def
;
3118 while (line_def
->index
!= li
)
3119 line_def
= line_def
->next
;
3121 ll
= line_def
->net_length
;
3122 lw
= line_def
->width
;
3124 w
= es
->format_rect
.right
- es
->format_rect
.left
;
3125 if (es
->style
& ES_RIGHT
)
3127 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
+ (index
- li
), ll
- (index
- li
),
3128 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
3131 else if (es
->style
& ES_CENTER
)
3133 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
3134 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
3139 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
3140 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
3143 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
3144 if (index
< es
->x_offset
) {
3145 GetTextExtentPoint32W(dc
, text
+ index
,
3146 es
->x_offset
- index
, &size
);
3149 GetTextExtentPoint32W(dc
, text
+ es
->x_offset
,
3150 index
- es
->x_offset
, &size
);
3153 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
3155 w
= es
->format_rect
.right
- es
->format_rect
.left
;
3156 if (w
> es
->text_width
)
3158 if (es
->style
& ES_RIGHT
)
3159 x
+= w
- es
->text_width
;
3160 else if (es
->style
& ES_CENTER
)
3161 x
+= (w
- es
->text_width
) / 2;
3166 if (es
->style
& ES_PASSWORD
)
3167 HeapFree(GetProcessHeap(), 0, text
);
3169 x
+= es
->format_rect
.left
;
3170 y
+= es
->format_rect
.top
;
3172 SelectObject(dc
, old_font
);
3173 ReleaseDC(es
->hwndSelf
, dc
);
3174 return MAKELONG((INT16
)x
, (INT16
)y
);
3178 /*********************************************************************
3182 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
3185 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
)
3187 UINT strl
= strlenW(lpsz_replace
);
3188 UINT tl
= get_text_length(es
);
3199 TRACE("%s, can_undo %d, send_update %d\n",
3200 debugstr_w(lpsz_replace
), can_undo
, send_update
);
3202 s
= es
->selection_start
;
3203 e
= es
->selection_end
;
3205 if ((s
== e
) && !strl
)
3210 size
= tl
- (e
- s
) + strl
;
3214 /* Issue the EN_MAXTEXT notification and continue with replacing text
3215 * such that buffer limit is honored. */
3216 if ((honor_limit
) && (size
> es
->buffer_limit
)) {
3217 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
3218 /* Buffer limit can be smaller than the actual length of text in combobox */
3219 if (es
->buffer_limit
< (tl
- (e
-s
)))
3222 strl
= es
->buffer_limit
- (tl
- (e
-s
));
3225 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
3229 /* there is something to be deleted */
3230 TRACE("deleting stuff.\n");
3232 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
3234 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
3235 buf
[bufl
] = 0; /* ensure 0 termination */
3237 strcpyW(es
->text
+ s
, es
->text
+ e
);
3238 text_buffer_changed(es
);
3241 /* there is an insertion */
3242 tl
= get_text_length(es
);
3243 TRACE("inserting stuff (tl %d, strl %d, selstart %d (%s), text %s)\n", tl
, strl
, s
, debugstr_w(es
->text
+ s
), debugstr_w(es
->text
));
3244 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
3246 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
3247 p
[i
] = lpsz_replace
[i
];
3248 if(es
->style
& ES_UPPERCASE
)
3249 CharUpperBuffW(p
, strl
);
3250 else if(es
->style
& ES_LOWERCASE
)
3251 CharLowerBuffW(p
, strl
);
3252 text_buffer_changed(es
);
3254 if (es
->style
& ES_MULTILINE
)
3256 INT st
= min(es
->selection_start
, es
->selection_end
);
3257 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3259 hrgn
= CreateRectRgn(0, 0, 0, 0);
3260 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
3261 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
3262 /* if text is too long undo all changes */
3263 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
3265 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
3267 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
3269 text_buffer_changed(es
);
3270 EDIT_BuildLineDefs_ML(es
, s
, e
,
3271 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
3274 hrgn
= CreateRectRgn(0, 0, 0, 0);
3275 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
3279 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3280 EDIT_CalcLineWidth_SL(es
);
3281 /* remove chars that don't fit */
3282 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
3283 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
3284 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
3286 EDIT_CalcLineWidth_SL(es
);
3288 text_buffer_changed(es
);
3289 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
3295 utl
= strlenW(es
->undo_text
);
3296 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
3297 /* undo-buffer is extended to the right */
3298 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
3299 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
3300 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
3301 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
3302 /* undo-buffer is extended to the left */
3303 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
3304 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
3306 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
3308 es
->undo_position
= s
;
3310 /* new undo-buffer */
3311 EDIT_MakeUndoFit(es
, e
- s
);
3312 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
3313 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
3314 es
->undo_position
= s
;
3316 /* any deletion makes the old insertion-undo invalid */
3317 es
->undo_insert_count
= 0;
3319 EDIT_EM_EmptyUndoBuffer(es
);
3323 if ((s
== es
->undo_position
) ||
3324 ((es
->undo_insert_count
) &&
3325 (s
== es
->undo_position
+ es
->undo_insert_count
)))
3327 * insertion is new and at delete position or
3328 * an extension to either left or right
3330 es
->undo_insert_count
+= strl
;
3332 /* new insertion undo */
3333 es
->undo_position
= s
;
3334 es
->undo_insert_count
= strl
;
3335 /* new insertion makes old delete-buffer invalid */
3336 *es
->undo_text
= '\0';
3339 EDIT_EM_EmptyUndoBuffer(es
);
3343 HeapFree(GetProcessHeap(), 0, buf
);
3347 /* If text has been deleted and we're right or center aligned then scroll rightward */
3348 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
3350 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
3352 if (delta
< 0 && es
->x_offset
)
3354 if (abs(delta
) > es
->x_offset
)
3357 es
->x_offset
+= delta
;
3361 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
3362 es
->flags
|= EF_MODIFIED
;
3363 if (send_update
) es
->flags
|= EF_UPDATE
;
3366 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
3370 EDIT_UpdateText(es
, NULL
, TRUE
);
3372 EDIT_EM_ScrollCaret(es
);
3374 /* force scroll info update */
3375 EDIT_UpdateScrollInfo(es
);
3378 if(send_update
|| (es
->flags
& EF_UPDATE
))
3380 es
->flags
&= ~EF_UPDATE
;
3381 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3386 /*********************************************************************
3391 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
3395 if (!(es
->style
& ES_MULTILINE
))
3396 return (LRESULT
)FALSE
;
3406 if (es
->y_offset
< es
->line_count
- 1)
3411 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3414 if (es
->y_offset
< es
->line_count
- 1)
3415 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3418 return (LRESULT
)FALSE
;
3421 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3422 /* check if we are going to move too far */
3423 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
3424 dy
= es
->line_count
- vlc
- es
->y_offset
;
3426 /* Notification is done in EDIT_EM_LineScroll */
3428 EDIT_EM_LineScroll(es
, 0, dy
);
3430 return MAKELONG((INT16
)dy
, (BOOL16
)TRUE
);
3434 /*********************************************************************
3439 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
3441 if (es
->style
& ES_MULTILINE
) {
3446 INT cw
= es
->char_width
;
3451 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
3452 li
= EDIT_EM_LineIndex(es
, l
);
3453 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
3454 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3455 if (l
>= es
->y_offset
+ vlc
)
3456 dy
= l
- vlc
+ 1 - es
->y_offset
;
3457 if (l
< es
->y_offset
)
3458 dy
= l
- es
->y_offset
;
3459 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
3460 if (x
< es
->format_rect
.left
)
3461 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
3462 if (x
> es
->format_rect
.right
)
3463 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
3464 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
3466 /* check if we are going to move too far */
3467 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
3468 dx
= es
->text_width
- ww
- es
->x_offset
;
3469 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
3470 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
3477 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
3478 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
3479 if (x
< es
->format_rect
.left
) {
3480 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
3483 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
3484 } while ((x
< goal
) && es
->x_offset
);
3485 /* FIXME: use ScrollWindow() somehow to improve performance */
3486 EDIT_UpdateText(es
, NULL
, TRUE
);
3487 } else if (x
> es
->format_rect
.right
) {
3489 INT len
= get_text_length(es
);
3490 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
3493 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
3494 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
3495 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
3496 /* FIXME: use ScrollWindow() somehow to improve performance */
3497 EDIT_UpdateText(es
, NULL
, TRUE
);
3501 if(es
->flags
& EF_FOCUSED
)
3502 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
3506 /*********************************************************************
3510 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3513 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
3515 if (!(es
->style
& ES_MULTILINE
))
3519 WARN("called with NULL handle\n");
3523 EDIT_UnlockBuffer(es
, TRUE
);
3527 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
3528 HANDLE16 oldDS
= stack16
->ds
;
3530 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
3531 LocalFree16(es
->hloc16
);
3532 stack16
->ds
= oldDS
;
3540 LocalFree(es
->hloc32A
);
3552 countA
= LocalSize(hloc
);
3553 textA
= LocalLock(hloc
);
3554 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
3555 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
3557 ERR("Could not allocate new unicode buffer\n");
3560 textW
= LocalLock(hloc32W_new
);
3561 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
3562 LocalUnlock(hloc32W_new
);
3566 LocalFree(es
->hloc32W
);
3568 es
->hloc32W
= hloc32W_new
;
3572 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
3574 es
->flags
|= EF_APP_HAS_HANDLE
;
3575 EDIT_LockBuffer(es
);
3577 es
->x_offset
= es
->y_offset
= 0;
3578 es
->selection_start
= es
->selection_end
= 0;
3579 EDIT_EM_EmptyUndoBuffer(es
);
3580 es
->flags
&= ~EF_MODIFIED
;
3581 es
->flags
&= ~EF_UPDATE
;
3582 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3583 EDIT_UpdateText(es
, NULL
, TRUE
);
3584 EDIT_EM_ScrollCaret(es
);
3585 /* force scroll info update */
3586 EDIT_UpdateScrollInfo(es
);
3590 /*********************************************************************
3594 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3597 static void EDIT_EM_SetHandle16(EDITSTATE
*es
, HLOCAL16 hloc
)
3599 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
3600 HINSTANCE16 hInstance
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
3601 HANDLE16 oldDS
= stack16
->ds
;
3607 if (!(es
->style
& ES_MULTILINE
))
3611 WARN("called with NULL handle\n");
3615 EDIT_UnlockBuffer(es
, TRUE
);
3619 LocalFree(es
->hloc32A
);
3623 stack16
->ds
= hInstance
;
3624 countA
= LocalSize16(hloc
);
3625 textA
= MapSL(LocalLock16(hloc
));
3626 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
3627 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
3629 ERR("Could not allocate new unicode buffer\n");
3632 textW
= LocalLock(hloc32W_new
);
3633 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
3634 LocalUnlock(hloc32W_new
);
3635 LocalUnlock16(hloc
);
3636 stack16
->ds
= oldDS
;
3639 LocalFree(es
->hloc32W
);
3641 es
->hloc32W
= hloc32W_new
;
3644 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
3646 es
->flags
|= EF_APP_HAS_HANDLE
;
3647 EDIT_LockBuffer(es
);
3649 es
->x_offset
= es
->y_offset
= 0;
3650 es
->selection_start
= es
->selection_end
= 0;
3651 EDIT_EM_EmptyUndoBuffer(es
);
3652 es
->flags
&= ~EF_MODIFIED
;
3653 es
->flags
&= ~EF_UPDATE
;
3654 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3655 EDIT_UpdateText(es
, NULL
, TRUE
);
3656 EDIT_EM_ScrollCaret(es
);
3657 /* force scroll info update */
3658 EDIT_UpdateScrollInfo(es
);
3662 /*********************************************************************
3666 * NOTE: this version currently implements WinNT limits
3669 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
)
3671 if (!limit
) limit
= ~0u;
3672 if (!(es
->style
& ES_MULTILINE
)) limit
= min(limit
, 0x7ffffffe);
3673 es
->buffer_limit
= limit
;
3677 /*********************************************************************
3681 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3682 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
3683 * margin according to the textmetrics of the current font.
3685 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
3686 * of the char's width as the margin, but this is not how Windows handles this.
3687 * For all other fonts Windows sets the margins to zero.
3689 * FIXME - When EC_USEFONTINFO is used the margins only change if the
3690 * edit control is equal to or larger than a certain size.
3691 * Interestingly if one subtracts both the left and right margins from
3692 * this size one always seems to get an even number. The extents of
3693 * the (four character) string "'**'" match this quite closely, so
3694 * we'll use this until we come up with a better idea.
3696 static int calc_min_set_margin_size(HDC dc
, INT left
, INT right
)
3698 WCHAR magic_string
[] = {'\'','*','*','\'', 0};
3701 GetTextExtentPointW(dc
, magic_string
, sizeof(magic_string
)/sizeof(WCHAR
) - 1, &sz
);
3702 return sz
.cx
+ left
+ right
;
3705 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
3706 WORD left
, WORD right
, BOOL repaint
)
3709 INT default_left_margin
= 0; /* in pixels */
3710 INT default_right_margin
= 0; /* in pixels */
3712 /* Set the default margins depending on the font */
3713 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
3714 HDC dc
= GetDC(es
->hwndSelf
);
3715 HFONT old_font
= SelectObject(dc
, es
->font
);
3716 GetTextMetricsW(dc
, &tm
);
3717 /* The default margins are only non zero for TrueType or Vector fonts */
3718 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
3721 /* This must be calculated more exactly! But how? */
3722 default_left_margin
= tm
.tmAveCharWidth
/ 2;
3723 default_right_margin
= tm
.tmAveCharWidth
/ 2;
3724 min_size
= calc_min_set_margin_size(dc
, default_left_margin
, default_right_margin
);
3725 GetClientRect(es
->hwndSelf
, &rc
);
3726 if(rc
.right
- rc
.left
< min_size
) {
3727 default_left_margin
= es
->left_margin
;
3728 default_right_margin
= es
->right_margin
;
3731 SelectObject(dc
, old_font
);
3732 ReleaseDC(es
->hwndSelf
, dc
);
3735 if (action
& EC_LEFTMARGIN
) {
3736 es
->format_rect
.left
-= es
->left_margin
;
3737 if (left
!= EC_USEFONTINFO
)
3738 es
->left_margin
= left
;
3740 es
->left_margin
= default_left_margin
;
3741 es
->format_rect
.left
+= es
->left_margin
;
3744 if (action
& EC_RIGHTMARGIN
) {
3745 es
->format_rect
.right
+= es
->right_margin
;
3746 if (right
!= EC_USEFONTINFO
)
3747 es
->right_margin
= right
;
3749 es
->right_margin
= default_right_margin
;
3750 es
->format_rect
.right
-= es
->right_margin
;
3753 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
3754 EDIT_AdjustFormatRect(es
);
3755 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
3758 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
3762 /*********************************************************************
3764 * EM_SETPASSWORDCHAR
3767 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
3771 if (es
->style
& ES_MULTILINE
)
3774 if (es
->password_char
== c
)
3777 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
3778 es
->password_char
= c
;
3780 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
3781 es
->style
|= ES_PASSWORD
;
3783 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
3784 es
->style
&= ~ES_PASSWORD
;
3786 EDIT_UpdateText(es
, NULL
, TRUE
);
3790 /*********************************************************************
3794 * note: unlike the specs say: the order of start and end
3795 * _is_ preserved in Windows. (i.e. start can be > end)
3796 * In other words: this handler is OK
3799 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
3801 UINT old_start
= es
->selection_start
;
3802 UINT old_end
= es
->selection_end
;
3803 UINT len
= get_text_length(es
);
3805 if (start
== (UINT
)-1) {
3806 start
= es
->selection_end
;
3807 end
= es
->selection_end
;
3809 start
= min(start
, len
);
3810 end
= min(end
, len
);
3812 es
->selection_start
= start
;
3813 es
->selection_end
= end
;
3815 es
->flags
|= EF_AFTER_WRAP
;
3817 es
->flags
&= ~EF_AFTER_WRAP
;
3818 /* Compute the necessary invalidation region. */
3819 /* Note that we don't need to invalidate regions which have
3820 * "never" been selected, or those which are "still" selected.
3821 * In fact, every time we hit a selection boundary, we can
3822 * *toggle* whether we need to invalidate. Thus we can optimize by
3823 * *sorting* the interval endpoints. Let's assume that we sort them
3825 * start <= end <= old_start <= old_end
3826 * Knuth 5.3.1 (p 183) asssures us that this can be done optimally
3827 * in 5 comparisons; ie it's impossible to do better than the
3829 ORDER_UINT(end
, old_end
);
3830 ORDER_UINT(start
, old_start
);
3831 ORDER_UINT(old_start
, old_end
);
3832 ORDER_UINT(start
, end
);
3833 /* Note that at this point 'end' and 'old_start' are not in order, but
3834 * start is definitely the min. and old_end is definitely the max. */
3835 if (end
!= old_start
)
3839 * ORDER_UINT32(end, old_start);
3840 * EDIT_InvalidateText(es, start, end);
3841 * EDIT_InvalidateText(es, old_start, old_end);
3842 * in place of the following if statement.
3843 * (That would complete the optimal five-comparison four-element sort.)
3845 if (old_start
> end
)
3847 EDIT_InvalidateText(es
, start
, end
);
3848 EDIT_InvalidateText(es
, old_start
, old_end
);
3852 EDIT_InvalidateText(es
, start
, old_start
);
3853 EDIT_InvalidateText(es
, end
, old_end
);
3856 else EDIT_InvalidateText(es
, start
, old_end
);
3860 /*********************************************************************
3865 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
)
3867 if (!(es
->style
& ES_MULTILINE
))
3869 HeapFree(GetProcessHeap(), 0, es
->tabs
);
3870 es
->tabs_count
= count
;
3874 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
3875 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
3881 /*********************************************************************
3886 static BOOL
EDIT_EM_SetTabStops16(EDITSTATE
*es
, INT count
, const INT16
*tabs
)
3888 if (!(es
->style
& ES_MULTILINE
))
3890 HeapFree(GetProcessHeap(), 0, es
->tabs
);
3891 es
->tabs_count
= count
;
3896 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
3897 for (i
= 0 ; i
< count
; i
++)
3898 es
->tabs
[i
] = *tabs
++;
3904 /*********************************************************************
3906 * EM_SETWORDBREAKPROC
3909 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
3911 if (es
->word_break_proc
== wbp
)
3914 es
->word_break_proc
= wbp
;
3915 es
->word_break_proc16
= NULL
;
3917 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3918 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3919 EDIT_UpdateText(es
, NULL
, TRUE
);
3924 /*********************************************************************
3926 * EM_SETWORDBREAKPROC16
3929 static void EDIT_EM_SetWordBreakProc16(EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
)
3931 if (es
->word_break_proc16
== wbp
)
3934 es
->word_break_proc
= NULL
;
3935 es
->word_break_proc16
= wbp
;
3936 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3937 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3938 EDIT_UpdateText(es
, NULL
, TRUE
);
3943 /*********************************************************************
3948 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
3953 /* As per MSDN spec, for a single-line edit control,
3954 the return value is always TRUE */
3955 if( es
->style
& ES_READONLY
)
3956 return !(es
->style
& ES_MULTILINE
);
3958 ulength
= strlenW(es
->undo_text
);
3960 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
3962 strcpyW(utext
, es
->undo_text
);
3964 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3965 es
->undo_insert_count
, debugstr_w(utext
));
3967 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3968 EDIT_EM_EmptyUndoBuffer(es
);
3969 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, TRUE
, TRUE
);
3970 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3971 /* send the notification after the selection start and end are set */
3972 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3973 EDIT_EM_ScrollCaret(es
);
3974 HeapFree(GetProcessHeap(), 0, utext
);
3976 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3977 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
3982 /* Helper function for WM_CHAR
3984 * According to an MSDN blog article titled "Just because you're a control
3985 * doesn't mean that you're necessarily inside a dialog box," multiline edit
3986 * controls without ES_WANTRETURN would attempt to detect whether it is inside
3987 * a dialog box or not.
3989 static BOOL
EDIT_IsInsideDialog(EDITSTATE
*es
)
3996 pParent
= WIN_GetPtr(es
->hwndParent
);
3997 if (pParent
&& pParent
!= WND_OTHER_PROCESS
&& pParent
!= WND_DESKTOP
)
3999 if (pParent
->flags
& WIN_ISDIALOG
)
4001 WIN_ReleasePtr(pParent
);
4008 /*********************************************************************
4013 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
4017 control
= GetKeyState(VK_CONTROL
) & 0x8000;
4021 /* If it's not a multiline edit box, it would be ignored below.
4022 * For multiline edit without ES_WANTRETURN, we have to make a
4025 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
4026 if (EDIT_IsInsideDialog(es
))
4029 if (es
->style
& ES_MULTILINE
) {
4030 if (es
->style
& ES_READONLY
) {
4031 EDIT_MoveHome(es
, FALSE
, FALSE
);
4032 EDIT_MoveDown_ML(es
, FALSE
);
4034 static const WCHAR cr_lfW
[] = {'\r','\n',0};
4035 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, TRUE
, TRUE
);
4040 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
4042 static const WCHAR tabW
[] = {'\t',0};
4043 if (EDIT_IsInsideDialog(es
))
4045 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, TRUE
, TRUE
);
4049 if (!(es
->style
& ES_READONLY
) && !control
) {
4050 if (es
->selection_start
!= es
->selection_end
)
4053 /* delete character left of caret */
4054 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4055 EDIT_MoveBackward(es
, TRUE
);
4061 if (!(es
->style
& ES_PASSWORD
))
4062 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
4065 if (!(es
->style
& ES_READONLY
))
4066 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
4069 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
4070 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
4073 if (!(es
->style
& ES_READONLY
))
4074 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
4078 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
4079 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
4082 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127)) {
4086 EDIT_EM_ReplaceSel(es
, TRUE
, str
, TRUE
, TRUE
);
4094 /*********************************************************************
4099 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND control
)
4101 if (code
|| control
)
4121 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
4122 EDIT_EM_ScrollCaret(es
);
4125 ERR("unknown menu item, please report\n");
4131 /*********************************************************************
4135 * Note: the resource files resource/sysres_??.rc cannot define a
4136 * single popup menu. Hence we use a (dummy) menubar
4137 * containing the single popup menu as its first item.
4139 * FIXME: the message identifiers have been chosen arbitrarily,
4140 * hence we use MF_BYPOSITION.
4141 * We might as well use the "real" values (anybody knows ?)
4142 * The menu definition is in resources/sysres_??.rc.
4143 * Once these are OK, we better use MF_BYCOMMAND here
4144 * (as we do in EDIT_WM_Command()).
4147 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
4149 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
4150 HMENU popup
= GetSubMenu(menu
, 0);
4151 UINT start
= es
->selection_start
;
4152 UINT end
= es
->selection_end
;
4154 ORDER_UINT(start
, end
);
4157 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4159 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4161 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
4163 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4165 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4167 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
4169 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
4172 /* Windows places the menu at the edit's center in this case */
4173 GetClientRect(es
->hwndSelf
, &rc
);
4174 MapWindowPoints(es
->hwndSelf
, 0, (POINT
*)&rc
, 2);
4175 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
4176 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
4179 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, es
->hwndSelf
, NULL
);
4184 /*********************************************************************
4189 static void EDIT_WM_Copy(EDITSTATE
*es
)
4191 INT s
= min(es
->selection_start
, es
->selection_end
);
4192 INT e
= max(es
->selection_start
, es
->selection_end
);
4200 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
4201 dst
= GlobalLock(hdst
);
4202 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
4203 dst
[len
] = 0; /* ensure 0 termination */
4204 TRACE("%s\n", debugstr_w(dst
));
4206 OpenClipboard(es
->hwndSelf
);
4208 SetClipboardData(CF_UNICODETEXT
, hdst
);
4213 /*********************************************************************
4218 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4222 TRACE("%s\n", debugstr_w(name
));
4224 * To initialize some final structure members, we call some helper
4225 * functions. However, since the EDITSTATE is not consistent (i.e.
4226 * not fully initialized), we should be very careful which
4227 * functions can be called, and in what order.
4229 EDIT_WM_SetFont(es
, 0, FALSE
);
4230 EDIT_EM_EmptyUndoBuffer(es
);
4232 /* We need to calculate the format rect
4233 (applications may send EM_SETMARGINS before the control gets visible) */
4234 GetClientRect(es
->hwndSelf
, &clientRect
);
4235 EDIT_SetRectNP(es
, &clientRect
);
4237 if (name
&& *name
) {
4238 EDIT_EM_ReplaceSel(es
, FALSE
, name
, FALSE
, FALSE
);
4239 /* if we insert text to the editline, the text scrolls out
4240 * of the window, as the caret is placed after the insert
4241 * pos normally; thus we reset es->selection... to 0 and
4244 es
->selection_start
= es
->selection_end
= 0;
4245 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4246 * Messages are only to be sent when the USER does something to
4247 * change the contents. So I am removing this EN_CHANGE
4249 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4251 EDIT_EM_ScrollCaret(es
);
4253 /* force scroll info update */
4254 EDIT_UpdateScrollInfo(es
);
4255 /* The rule seems to return 1 here for success */
4256 /* Power Builder masked edit controls will crash */
4258 /* FIXME: is that in all cases so ? */
4263 /*********************************************************************
4268 static LRESULT
EDIT_WM_Destroy(EDITSTATE
*es
)
4273 while (LocalUnlock(es
->hloc32W
)) ;
4274 LocalFree(es
->hloc32W
);
4277 while (LocalUnlock(es
->hloc32A
)) ;
4278 LocalFree(es
->hloc32A
);
4281 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
4282 HANDLE16 oldDS
= stack16
->ds
;
4284 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
4285 while (LocalUnlock16(es
->hloc16
)) ;
4286 LocalFree16(es
->hloc16
);
4287 stack16
->ds
= oldDS
;
4290 pc
= es
->first_line_def
;
4294 HeapFree(GetProcessHeap(), 0, pc
);
4298 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4299 HeapFree(GetProcessHeap(), 0, es
);
4305 /*********************************************************************
4310 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
)
4312 if(!count
) return 0;
4316 lstrcpynW(dst
, es
->text
, count
);
4317 return strlenW(dst
);
4321 LPSTR textA
= (LPSTR
)dst
;
4322 if (!WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
))
4323 textA
[count
- 1] = 0; /* ensure 0 termination */
4324 return strlen(textA
);
4328 /*********************************************************************
4333 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
)
4338 if (!(es
->style
& ES_MULTILINE
))
4341 if (!(es
->style
& ES_AUTOHSCROLL
))
4345 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4348 TRACE("SB_LINELEFT\n");
4350 dx
= -es
->char_width
;
4353 TRACE("SB_LINERIGHT\n");
4354 if (es
->x_offset
< es
->text_width
)
4355 dx
= es
->char_width
;
4358 TRACE("SB_PAGELEFT\n");
4360 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4363 TRACE("SB_PAGERIGHT\n");
4364 if (es
->x_offset
< es
->text_width
)
4365 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4373 TRACE("SB_RIGHT\n");
4374 if (es
->x_offset
< es
->text_width
)
4375 dx
= es
->text_width
- es
->x_offset
;
4378 TRACE("SB_THUMBTRACK %d\n", pos
);
4379 es
->flags
|= EF_HSCROLL_TRACK
;
4380 if(es
->style
& WS_HSCROLL
)
4381 dx
= pos
- es
->x_offset
;
4386 if(pos
< 0 || pos
> 100) return 0;
4387 /* Assume default scroll range 0-100 */
4388 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4389 new_x
= pos
* (es
->text_width
- fw
) / 100;
4390 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4393 case SB_THUMBPOSITION
:
4394 TRACE("SB_THUMBPOSITION %d\n", pos
);
4395 es
->flags
&= ~EF_HSCROLL_TRACK
;
4396 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4397 dx
= pos
- es
->x_offset
;
4402 if(pos
< 0 || pos
> 100) return 0;
4403 /* Assume default scroll range 0-100 */
4404 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4405 new_x
= pos
* (es
->text_width
- fw
) / 100;
4406 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4409 /* force scroll info update */
4410 EDIT_UpdateScrollInfo(es
);
4411 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
4415 TRACE("SB_ENDSCROLL\n");
4418 * FIXME : the next two are undocumented !
4419 * Are we doing the right thing ?
4420 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4421 * although it's also a regular control message.
4423 case EM_GETTHUMB
: /* this one is used by NT notepad */
4427 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4428 ret
= GetScrollPos(es
->hwndSelf
, SB_HORZ
);
4431 /* Assume default scroll range 0-100 */
4432 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4433 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
4435 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4438 case EM_LINESCROLL16
:
4439 TRACE("EM_LINESCROLL16\n");
4444 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4450 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4451 /* check if we are going to move too far */
4452 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
4453 dx
= es
->text_width
- fw
- es
->x_offset
;
4455 EDIT_EM_LineScroll_internal(es
, dx
, 0);
4461 /*********************************************************************
4466 static BOOL
EDIT_CheckCombo(EDITSTATE
*es
, UINT msg
, INT key
)
4468 HWND hLBox
= es
->hwndListBox
;
4476 hCombo
= GetParent(es
->hwndSelf
);
4480 TRACE_(combo
)("[%p]: handling msg %x (%x)\n", es
->hwndSelf
, msg
, key
);
4482 if (key
== VK_UP
|| key
== VK_DOWN
)
4484 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
4487 if (msg
== WM_KEYDOWN
|| nEUI
)
4488 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
4494 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
4496 /* make sure ComboLBox pops up */
4497 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
4502 SendMessageW(hLBox
, WM_KEYDOWN
, (WPARAM
)key
, 0);
4505 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
4507 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, bDropped
? FALSE
: TRUE
, 0);
4509 SendMessageW(hLBox
, WM_KEYDOWN
, (WPARAM
)VK_F4
, 0);
4514 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
4520 /*********************************************************************
4524 * Handling of special keys that don't produce a WM_CHAR
4525 * (i.e. non-printable keys) & Backspace & Delete
4528 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
)
4533 if (GetKeyState(VK_MENU
) & 0x8000)
4536 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
4537 control
= GetKeyState(VK_CONTROL
) & 0x8000;
4542 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
4547 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
4548 EDIT_MoveUp_ML(es
, shift
);
4551 EDIT_MoveWordBackward(es
, shift
);
4553 EDIT_MoveBackward(es
, shift
);
4556 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
))
4560 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
4561 EDIT_MoveDown_ML(es
, shift
);
4563 EDIT_MoveWordForward(es
, shift
);
4565 EDIT_MoveForward(es
, shift
);
4568 EDIT_MoveHome(es
, shift
, control
);
4571 EDIT_MoveEnd(es
, shift
);
4574 if (es
->style
& ES_MULTILINE
)
4575 EDIT_MovePageUp_ML(es
, shift
);
4577 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
4580 if (es
->style
& ES_MULTILINE
)
4581 EDIT_MovePageDown_ML(es
, shift
);
4583 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
4586 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
4587 if (es
->selection_start
!= es
->selection_end
) {
4594 /* delete character left of caret */
4595 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4596 EDIT_MoveBackward(es
, TRUE
);
4598 } else if (control
) {
4599 /* delete to end of line */
4600 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4601 EDIT_MoveEnd(es
, TRUE
);
4604 /* delete character right of caret */
4605 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4606 EDIT_MoveForward(es
, TRUE
);
4614 if (!(es
->style
& ES_READONLY
))
4620 /* If the edit doesn't want the return send a message to the default object */
4621 if(!(es
->style
& ES_MULTILINE
) || !(es
->style
& ES_WANTRETURN
))
4623 HWND hwndParent
= GetParent(es
->hwndSelf
);
4624 DWORD dw
= SendMessageW( hwndParent
, DM_GETDEFID
, 0, 0 );
4625 if (HIWORD(dw
) == DC_HASDEFID
)
4627 SendMessageW( hwndParent
, WM_COMMAND
,
4628 MAKEWPARAM( LOWORD(dw
), BN_CLICKED
),
4629 (LPARAM
)GetDlgItem( hwndParent
, LOWORD(dw
) ) );
4632 SendMessageW( hwndParent
, WM_COMMAND
, IDOK
, (LPARAM
)GetDlgItem( hwndParent
, IDOK
) );
4636 if (!(es
->style
& ES_MULTILINE
))
4637 SendMessageW(GetParent(es
->hwndSelf
), WM_COMMAND
, IDCANCEL
, (LPARAM
)GetDlgItem( GetParent(es
->hwndSelf
), IDCANCEL
) );
4640 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, shift
, 0);
4647 /*********************************************************************
4652 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
)
4654 es
->flags
&= ~EF_FOCUSED
;
4656 if(!(es
->style
& ES_NOHIDESEL
))
4657 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
4658 EDIT_NOTIFY_PARENT(es
, EN_KILLFOCUS
);
4663 /*********************************************************************
4667 * The caret position has been set on the WM_LBUTTONDOWN message
4670 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
)
4673 INT e
= es
->selection_end
;
4678 es
->bCaptureState
= TRUE
;
4679 SetCapture(es
->hwndSelf
);
4681 l
= EDIT_EM_LineFromChar(es
, e
);
4682 li
= EDIT_EM_LineIndex(es
, l
);
4683 ll
= EDIT_EM_LineLength(es
, e
);
4684 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
4685 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
4686 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
4687 EDIT_EM_ScrollCaret(es
);
4688 es
->region_posx
= es
->region_posy
= 0;
4689 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
4694 /*********************************************************************
4699 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
4704 es
->bCaptureState
= TRUE
;
4705 SetCapture(es
->hwndSelf
);
4706 EDIT_ConfinePoint(es
, &x
, &y
);
4707 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
4708 EDIT_EM_SetSel(es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
4709 EDIT_EM_ScrollCaret(es
);
4710 es
->region_posx
= es
->region_posy
= 0;
4711 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
4713 if (!(es
->flags
& EF_FOCUSED
))
4714 SetFocus(es
->hwndSelf
);
4720 /*********************************************************************
4725 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
)
4727 if (es
->bCaptureState
) {
4728 KillTimer(es
->hwndSelf
, 0);
4729 if (GetCapture() == es
->hwndSelf
) ReleaseCapture();
4731 es
->bCaptureState
= FALSE
;
4736 /*********************************************************************
4741 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
)
4743 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
4748 /*********************************************************************
4753 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
)
4759 /* If the mouse has been captured by process other than the edit control itself,
4760 * the windows edit controls will not select the strings with mouse move.
4762 if (!es
->bCaptureState
|| GetCapture() != es
->hwndSelf
)
4766 * FIXME: gotta do some scrolling if outside client
4767 * area. Maybe reset the timer ?
4770 EDIT_ConfinePoint(es
, &x
, &y
);
4771 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
4772 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
4773 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
4774 EDIT_EM_SetSel(es
, es
->selection_start
, e
, after_wrap
);
4775 EDIT_SetCaretPos(es
,es
->selection_end
,es
->flags
& EF_AFTER_WRAP
);
4780 /*********************************************************************
4784 * See also EDIT_WM_StyleChanged
4786 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
)
4791 TRACE("Creating %s edit control, style = %08x\n",
4792 unicode
? "Unicode" : "ANSI", lpcs
->style
);
4794 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4796 SetWindowLongPtrW( hwnd
, 0, (LONG_PTR
)es
);
4799 * Note: since the EDITSTATE has not been fully initialized yet,
4800 * we can't use any API calls that may send
4801 * WM_XXX messages before WM_NCCREATE is completed.
4804 es
->is_unicode
= unicode
;
4805 es
->style
= lpcs
->style
;
4807 es
->bEnableState
= !(es
->style
& WS_DISABLED
);
4809 es
->hwndSelf
= hwnd
;
4810 /* Save parent, which will be notified by EN_* messages */
4811 es
->hwndParent
= lpcs
->hwndParent
;
4813 if (es
->style
& ES_COMBO
)
4814 es
->hwndListBox
= GetDlgItem(es
->hwndParent
, ID_CB_LISTBOX
);
4816 /* Number overrides lowercase overrides uppercase (at least it
4817 * does in Win95). However I'll bet that ES_NUMBER would be
4818 * invalid under Win 3.1.
4820 if (es
->style
& ES_NUMBER
) {
4821 ; /* do not override the ES_NUMBER */
4822 } else if (es
->style
& ES_LOWERCASE
) {
4823 es
->style
&= ~ES_UPPERCASE
;
4825 if (es
->style
& ES_MULTILINE
) {
4826 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4827 if (es
->style
& WS_VSCROLL
)
4828 es
->style
|= ES_AUTOVSCROLL
;
4829 if (es
->style
& WS_HSCROLL
)
4830 es
->style
|= ES_AUTOHSCROLL
;
4831 es
->style
&= ~ES_PASSWORD
;
4832 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4833 /* Confirmed - RIGHT overrides CENTER */
4834 if (es
->style
& ES_RIGHT
)
4835 es
->style
&= ~ES_CENTER
;
4836 es
->style
&= ~WS_HSCROLL
;
4837 es
->style
&= ~ES_AUTOHSCROLL
;
4840 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4841 if ((es
->style
& ES_RIGHT
) && (es
->style
& ES_CENTER
))
4842 es
->style
&= ~ES_CENTER
;
4843 es
->style
&= ~WS_HSCROLL
;
4844 es
->style
&= ~WS_VSCROLL
;
4845 if (es
->style
& ES_PASSWORD
)
4846 es
->password_char
= '*';
4849 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4850 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4852 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4854 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4856 es
->undo_buffer_size
= es
->buffer_size
;
4858 if (es
->style
& ES_MULTILINE
)
4859 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4864 * In Win95 look and feel, the WS_BORDER style is replaced by the
4865 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4866 * control a nonclient area so we don't need to draw the border.
4867 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4868 * a nonclient area and we should handle painting the border ourselves.
4870 * When making modifications please ensure that the code still works
4871 * for edit controls created directly with style 0x50800000, exStyle 0
4872 * (which should have a single pixel border)
4874 if (lpcs
->dwExStyle
& WS_EX_CLIENTEDGE
)
4875 es
->style
&= ~WS_BORDER
;
4876 else if (es
->style
& WS_BORDER
)
4877 SetWindowLongW(hwnd
, GWL_STYLE
, es
->style
& ~WS_BORDER
);
4882 /*********************************************************************
4887 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
)
4900 BOOL rev
= es
->bEnableState
&&
4901 ((es
->flags
& EF_FOCUSED
) ||
4902 (es
->style
& ES_NOHIDESEL
));
4903 dc
= hdc
? hdc
: BeginPaint(es
->hwndSelf
, &ps
);
4905 GetClientRect(es
->hwndSelf
, &rcClient
);
4907 /* get the background brush */
4908 brush
= EDIT_NotifyCtlColor(es
, dc
);
4910 /* paint the border and the background */
4911 IntersectClipRect(dc
, rcClient
.left
, rcClient
.top
, rcClient
.right
, rcClient
.bottom
);
4913 if(es
->style
& WS_BORDER
) {
4914 bw
= GetSystemMetrics(SM_CXBORDER
);
4915 bh
= GetSystemMetrics(SM_CYBORDER
);
4917 if(es
->style
& ES_MULTILINE
) {
4918 if(es
->style
& WS_HSCROLL
) rc
.bottom
+=bh
;
4919 if(es
->style
& WS_VSCROLL
) rc
.right
+=bw
;
4922 /* Draw the frame. Same code as in nonclient.c */
4923 old_brush
= SelectObject(dc
, GetSysColorBrush(COLOR_WINDOWFRAME
));
4924 PatBlt(dc
, rc
.left
, rc
.top
, rc
.right
- rc
.left
, bh
, PATCOPY
);
4925 PatBlt(dc
, rc
.left
, rc
.top
, bw
, rc
.bottom
- rc
.top
, PATCOPY
);
4926 PatBlt(dc
, rc
.left
, rc
.bottom
- 1, rc
.right
- rc
.left
, -bw
, PATCOPY
);
4927 PatBlt(dc
, rc
.right
- 1, rc
.top
, -bw
, rc
.bottom
- rc
.top
, PATCOPY
);
4928 SelectObject(dc
, old_brush
);
4930 /* Keep the border clean */
4931 IntersectClipRect(dc
, rc
.left
+bw
, rc
.top
+bh
,
4932 max(rc
.right
-bw
, rc
.left
+bw
), max(rc
.bottom
-bh
, rc
.top
+bh
));
4935 GetClipBox(dc
, &rc
);
4936 FillRect(dc
, &rc
, brush
);
4938 IntersectClipRect(dc
, es
->format_rect
.left
,
4939 es
->format_rect
.top
,
4940 es
->format_rect
.right
,
4941 es
->format_rect
.bottom
);
4942 if (es
->style
& ES_MULTILINE
) {
4944 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
4947 old_font
= SelectObject(dc
, es
->font
);
4949 if (!es
->bEnableState
)
4950 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
4951 GetClipBox(dc
, &rcRgn
);
4952 if (es
->style
& ES_MULTILINE
) {
4953 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
4954 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
4955 EDIT_GetLineRect(es
, i
, 0, -1, &rcLine
);
4956 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
4957 EDIT_PaintLine(es
, dc
, i
, rev
);
4960 EDIT_GetLineRect(es
, 0, 0, -1, &rcLine
);
4961 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
4962 EDIT_PaintLine(es
, dc
, 0, rev
);
4965 SelectObject(dc
, old_font
);
4968 EndPaint(es
->hwndSelf
, &ps
);
4972 /*********************************************************************
4977 static void EDIT_WM_Paste(EDITSTATE
*es
)
4982 /* Protect read-only edit control from modification */
4983 if(es
->style
& ES_READONLY
)
4986 OpenClipboard(es
->hwndSelf
);
4987 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
4988 src
= (LPWSTR
)GlobalLock(hsrc
);
4989 EDIT_EM_ReplaceSel(es
, TRUE
, src
, TRUE
, TRUE
);
4992 else if (es
->style
& ES_PASSWORD
) {
4993 /* clear selected text in password edit box even with empty clipboard */
4994 const WCHAR empty_strW
[] = { 0 };
4995 EDIT_EM_ReplaceSel(es
, TRUE
, empty_strW
, TRUE
, TRUE
);
5001 /*********************************************************************
5006 static void EDIT_WM_SetFocus(EDITSTATE
*es
)
5008 es
->flags
|= EF_FOCUSED
;
5010 if (!(es
->style
& ES_NOHIDESEL
))
5011 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
5013 /* single line edit updates itself */
5014 if (!(es
->style
& ES_MULTILINE
))
5016 HDC hdc
= GetDC(es
->hwndSelf
);
5017 EDIT_WM_Paint(es
, hdc
);
5018 ReleaseDC(es
->hwndSelf
, hdc
);
5021 CreateCaret(es
->hwndSelf
, 0, 2, es
->line_height
);
5022 EDIT_SetCaretPos(es
, es
->selection_end
,
5023 es
->flags
& EF_AFTER_WRAP
);
5024 ShowCaret(es
->hwndSelf
);
5025 EDIT_NOTIFY_PARENT(es
, EN_SETFOCUS
);
5029 /*********************************************************************
5033 * With Win95 look the margins are set to default font value unless
5034 * the system font (font == 0) is being set, in which case they are left
5038 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
)
5046 dc
= GetDC(es
->hwndSelf
);
5048 old_font
= SelectObject(dc
, font
);
5049 GetTextMetricsW(dc
, &tm
);
5050 es
->line_height
= tm
.tmHeight
;
5051 es
->char_width
= tm
.tmAveCharWidth
;
5053 SelectObject(dc
, old_font
);
5054 ReleaseDC(es
->hwndSelf
, dc
);
5056 /* Reset the format rect and the margins */
5057 GetClientRect(es
->hwndSelf
, &clientRect
);
5058 EDIT_SetRectNP(es
, &clientRect
);
5059 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
5060 EC_USEFONTINFO
, EC_USEFONTINFO
, FALSE
);
5062 if (es
->style
& ES_MULTILINE
)
5063 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
5065 EDIT_CalcLineWidth_SL(es
);
5068 EDIT_UpdateText(es
, NULL
, TRUE
);
5069 if (es
->flags
& EF_FOCUSED
) {
5071 CreateCaret(es
->hwndSelf
, 0, 2, es
->line_height
);
5072 EDIT_SetCaretPos(es
, es
->selection_end
,
5073 es
->flags
& EF_AFTER_WRAP
);
5074 ShowCaret(es
->hwndSelf
);
5079 /*********************************************************************
5084 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
5085 * The modified flag is reset. No notifications are sent.
5087 * For single-line controls, reception of WM_SETTEXT triggers:
5088 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
5091 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
)
5093 LPWSTR textW
= NULL
;
5094 if (!unicode
&& text
)
5096 LPCSTR textA
= (LPCSTR
)text
;
5097 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
5098 textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
));
5100 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
5104 if (es
->flags
& EF_UPDATE
)
5105 /* fixed this bug once; complain if we see it about to happen again. */
5106 ERR("SetSel may generate UPDATE message whose handler may reset "
5109 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
5112 TRACE("%s\n", debugstr_w(text
));
5113 EDIT_EM_ReplaceSel(es
, FALSE
, text
, FALSE
, FALSE
);
5115 HeapFree(GetProcessHeap(), 0, textW
);
5119 static const WCHAR empty_stringW
[] = {0};
5121 EDIT_EM_ReplaceSel(es
, FALSE
, empty_stringW
, FALSE
, FALSE
);
5124 es
->flags
&= ~EF_MODIFIED
;
5125 EDIT_EM_SetSel(es
, 0, 0, FALSE
);
5127 /* Send the notification after the selection start and end have been set
5128 * edit control doesn't send notification on WM_SETTEXT
5129 * if it is multiline, or it is part of combobox
5131 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
5133 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
5134 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
5136 EDIT_EM_ScrollCaret(es
);
5137 EDIT_UpdateScrollInfo(es
);
5141 /*********************************************************************
5146 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
)
5148 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
5150 TRACE("width = %d, height = %d\n", width
, height
);
5151 SetRect(&rc
, 0, 0, width
, height
);
5152 EDIT_SetRectNP(es
, &rc
);
5153 EDIT_UpdateText(es
, NULL
, TRUE
);
5158 /*********************************************************************
5162 * This message is sent by SetWindowLong on having changed either the Style
5163 * or the extended style.
5165 * We ensure that the window's version of the styles and the EDITSTATE's agree.
5167 * See also EDIT_WM_NCCreate
5169 * It appears that the Windows version of the edit control allows the style
5170 * (as retrieved by GetWindowLong) to be any value and maintains an internal
5171 * style variable which will generally be different. In this function we
5172 * update the internal style based on what changed in the externally visible
5175 * Much of this content as based upon the MSDN, especially:
5176 * Platform SDK Documentation -> User Interface Services ->
5177 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
5178 * Edit Control Styles
5180 static LRESULT
EDIT_WM_StyleChanged ( EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
)
5182 if (GWL_STYLE
== which
) {
5183 DWORD style_change_mask
;
5185 /* Only a subset of changes can be applied after the control
5188 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
5190 if (es
->style
& ES_MULTILINE
)
5191 style_change_mask
|= ES_WANTRETURN
;
5193 new_style
= style
->styleNew
& style_change_mask
;
5195 /* Number overrides lowercase overrides uppercase (at least it
5196 * does in Win95). However I'll bet that ES_NUMBER would be
5197 * invalid under Win 3.1.
5199 if (new_style
& ES_NUMBER
) {
5200 ; /* do not override the ES_NUMBER */
5201 } else if (new_style
& ES_LOWERCASE
) {
5202 new_style
&= ~ES_UPPERCASE
;
5205 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
5206 } else if (GWL_EXSTYLE
== which
) {
5207 ; /* FIXME - what is needed here */
5209 WARN ("Invalid style change %ld\n",which
);
5215 /*********************************************************************
5220 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
)
5222 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
5223 if (EDIT_EM_CanUndo(es
))
5226 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
5227 if (EDIT_CheckCombo(es
, WM_SYSKEYDOWN
, key
))
5230 return DefWindowProcW(es
->hwndSelf
, WM_SYSKEYDOWN
, (WPARAM
)key
, (LPARAM
)key_data
);
5234 /*********************************************************************
5239 static void EDIT_WM_Timer(EDITSTATE
*es
)
5241 if (es
->region_posx
< 0) {
5242 EDIT_MoveBackward(es
, TRUE
);
5243 } else if (es
->region_posx
> 0) {
5244 EDIT_MoveForward(es
, TRUE
);
5247 * FIXME: gotta do some vertical scrolling here, like
5248 * EDIT_EM_LineScroll(hwnd, 0, 1);
5252 /*********************************************************************
5257 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
)
5261 if (!(es
->style
& ES_MULTILINE
))
5264 if (!(es
->style
& ES_AUTOVSCROLL
))
5273 TRACE("action %d (%s)\n", action
, (action
== SB_LINEUP
? "SB_LINEUP" :
5274 (action
== SB_LINEDOWN
? "SB_LINEDOWN" :
5275 (action
== SB_PAGEUP
? "SB_PAGEUP" :
5277 EDIT_EM_Scroll(es
, action
);
5284 TRACE("SB_BOTTOM\n");
5285 dy
= es
->line_count
- 1 - es
->y_offset
;
5288 TRACE("SB_THUMBTRACK %d\n", pos
);
5289 es
->flags
|= EF_VSCROLL_TRACK
;
5290 if(es
->style
& WS_VSCROLL
)
5291 dy
= pos
- es
->y_offset
;
5294 /* Assume default scroll range 0-100 */
5297 if(pos
< 0 || pos
> 100) return 0;
5298 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
5299 new_y
= pos
* (es
->line_count
- vlc
) / 100;
5300 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
5301 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5302 es
->line_count
, es
->y_offset
, pos
, dy
);
5305 case SB_THUMBPOSITION
:
5306 TRACE("SB_THUMBPOSITION %d\n", pos
);
5307 es
->flags
&= ~EF_VSCROLL_TRACK
;
5308 if(es
->style
& WS_VSCROLL
)
5309 dy
= pos
- es
->y_offset
;
5312 /* Assume default scroll range 0-100 */
5315 if(pos
< 0 || pos
> 100) return 0;
5316 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
5317 new_y
= pos
* (es
->line_count
- vlc
) / 100;
5318 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
5319 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5320 es
->line_count
, es
->y_offset
, pos
, dy
);
5324 /* force scroll info update */
5325 EDIT_UpdateScrollInfo(es
);
5326 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
5330 TRACE("SB_ENDSCROLL\n");
5333 * FIXME : the next two are undocumented !
5334 * Are we doing the right thing ?
5335 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
5336 * although it's also a regular control message.
5338 case EM_GETTHUMB
: /* this one is used by NT notepad */
5342 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_VSCROLL
)
5343 ret
= GetScrollPos(es
->hwndSelf
, SB_VERT
);
5346 /* Assume default scroll range 0-100 */
5347 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
5348 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
5350 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
5353 case EM_LINESCROLL16
:
5354 TRACE("EM_LINESCROLL16 %d\n", pos
);
5359 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
5364 EDIT_EM_LineScroll(es
, 0, dy
);
5368 /*********************************************************************
5373 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
5375 if (es
->flags
& EF_UPDATE
) {
5376 es
->flags
&= ~EF_UPDATE
;
5377 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
5379 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
5383 /*********************************************************************
5388 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
)
5390 if (es
->flags
& EF_UPDATE
) {
5391 es
->flags
&= ~EF_UPDATE
;
5392 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
5394 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
5397 /********************************************************************
5399 * The Following code is to handle inline editing from IMEs
5402 static void EDIT_GetCompositionStr(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
5405 LPWSTR lpCompStr
= NULL
;
5407 LPSTR lpCompStrAttr
= NULL
;
5410 if (!(hIMC
= ImmGetContext(hwnd
)))
5413 buflen
= ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, NULL
, 0);
5417 ImmReleaseContext(hwnd
, hIMC
);
5421 lpCompStr
= HeapAlloc(GetProcessHeap(),0,buflen
+ sizeof(WCHAR
));
5424 ERR("Unable to allocate IME CompositionString\n");
5425 ImmReleaseContext(hwnd
,hIMC
);
5430 ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, lpCompStr
, buflen
);
5431 lpCompStr
[buflen
/sizeof(WCHAR
)] = 0;
5433 if (CompFlag
& GCS_COMPATTR
)
5436 * We do not use the attributes yet. it would tell us what characters
5437 * are in transition and which are converted or decided upon
5439 dwBufLenAttr
= ImmGetCompositionStringW(hIMC
, GCS_COMPATTR
, NULL
, 0);
5443 lpCompStrAttr
= HeapAlloc(GetProcessHeap(),0,dwBufLenAttr
+1);
5446 ERR("Unable to allocate IME Attribute String\n");
5447 HeapFree(GetProcessHeap(),0,lpCompStr
);
5448 ImmReleaseContext(hwnd
,hIMC
);
5451 ImmGetCompositionStringW(hIMC
,GCS_COMPATTR
, lpCompStrAttr
,
5453 lpCompStrAttr
[dwBufLenAttr
] = 0;
5456 lpCompStrAttr
= NULL
;
5459 /* check for change in composition start */
5460 if (es
->selection_end
< es
->composition_start
)
5461 es
->composition_start
= es
->selection_end
;
5463 /* replace existing selection string */
5464 es
->selection_start
= es
->composition_start
;
5466 if (es
->composition_len
> 0)
5467 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
5469 es
->selection_end
= es
->selection_start
;
5471 EDIT_EM_ReplaceSel(es
, FALSE
, lpCompStr
, TRUE
, TRUE
);
5472 es
->composition_len
= abs(es
->composition_start
- es
->selection_end
);
5474 es
->selection_start
= es
->composition_start
;
5475 es
->selection_end
= es
->selection_start
+ es
->composition_len
;
5477 HeapFree(GetProcessHeap(),0,lpCompStrAttr
);
5478 HeapFree(GetProcessHeap(),0,lpCompStr
);
5479 ImmReleaseContext(hwnd
,hIMC
);
5482 static void EDIT_GetResultStr(HWND hwnd
, EDITSTATE
*es
)
5488 if ( !(hIMC
= ImmGetContext(hwnd
)))
5491 buflen
= ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, NULL
, 0);
5494 ImmReleaseContext(hwnd
, hIMC
);
5498 lpResultStr
= HeapAlloc(GetProcessHeap(),0, buflen
+sizeof(WCHAR
));
5501 ERR("Unable to alloc buffer for IME string\n");
5502 ImmReleaseContext(hwnd
, hIMC
);
5506 ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, lpResultStr
, buflen
);
5507 lpResultStr
[buflen
/sizeof(WCHAR
)] = 0;
5509 /* check for change in composition start */
5510 if (es
->selection_end
< es
->composition_start
)
5511 es
->composition_start
= es
->selection_end
;
5513 es
->selection_start
= es
->composition_start
;
5514 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
5515 EDIT_EM_ReplaceSel(es
, TRUE
, lpResultStr
, TRUE
, TRUE
);
5516 es
->composition_start
= es
->selection_end
;
5517 es
->composition_len
= 0;
5519 HeapFree(GetProcessHeap(),0,lpResultStr
);
5520 ImmReleaseContext(hwnd
, hIMC
);
5523 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
5525 if (CompFlag
& GCS_RESULTSTR
)
5526 EDIT_GetResultStr(hwnd
,es
);
5527 if (CompFlag
& GCS_COMPSTR
)
5528 EDIT_GetCompositionStr(hwnd
, CompFlag
, es
);